Dowell iPack C3.3 User manual

iPack C3.3 Lithium Iron Phosphate Battery
Residential Energy Storage System
User Manual
Date: 2021-03-18
5
Detect the voltage and temperature of cell, the voltage and current of battery.
• SOC estimate:
Indicate the precise volume of remaining electricity.
• Alarm:
Alarm when overvoltage, under voltage, overcurrent, over temperature or under temperature occurs.
• Protection:
Protect against over voltage, under voltage, over current, over temperature, under temperature, cell fault
and hardware failure.
• Report:
Report alarm messages and operation data to PCS via CAN network ports.
• Parallel connection:
Support a maximum of 6 batteries in parallel connection.
• Power-off triggered by fault:
%DWWHU\SRZHUVRႇLIOHYHOWKUHHXQGHUYROWDJH9FHOORUSDUDOOHOFRQQHFWLRQIDLOXUHKDSSHQV
• Forced power-off:
When battery does not connect to mains supply, hold POWER button for two seconds and battery powers
Rႇ
• Activation:
,QSXW9a9YLD33WHUPLQDOVEDWWHU\ZLOOEHDFWLYDWHGIURPRႇPRGHWRVWDQGE\VWDWXV
2.3 Appearance and Terminals
The battery is an energy storage unit composed of cells, mechanical parts, battery management system (BMS)
as well as power and signal terminals.
Table 2-1 Mechanical features
Parameter Value
Dimension W445*D131*H399.6 mm
Weight Around 29kg
Installation Rack-mounted installation or Wall-mounted bracket installation
445
399.6
131
345
1
2
678

Contents
About This Document ............................................................................................................................................... 1
1 Important Safety Information ................................................................................................................................ 2
1.1 Warning Label ........................................................................................................................................2
1.2 Precautions.............................................................................................................................................2
2 Overview.................................................................................................................................................................. 4
2.1 Application Scenarios .............................................................................................................................4
2.2 Product Features ....................................................................................................................................4
2.3 Appearance and Terminals .....................................................................................................................5
2.4 Technical Parameters .............................................................................................................................6
5.3 Wall-mounted installation under Parallel Mode
....................................................................................
11
5.4 Installation of Battery Box
.....................................................................................................................
12
5.5 Junction Box InstallationJunction Box Installation
.................................................................................
14
3 Battery Storage and Transportation ..................................................................................................................... 8
3.1 Safe Storage...........................................................................................................................................8
3.2 Safe Transportation ................................................................................................................................8
4 Tools and Protective Equipment........................................................................................................................... 9
5 Installation............................................................................................................................................................. 10
5.1 Inspection before Installation................................................................................................................10
5.2 Battery Orientation................................................................................................................................10
6 Electrical Connection........................................................................................................................................... 16
6.1 Power Terminals and Network Ports.....................................................................................................16
6.2 Prepare Cables.....................................................................................................................................16
6.3 Connect One Battery ............................................................................................................................18
6.4 Connect Batteries in Parallel ................................................................................................................19
7 Operation............................................................................................................................................................... 21
7.1 Power on Battery ..................................................................................................................................21
7.2 Power off Battery ..................................................................................................................................21
8 Maintenance.......................................................................................................................................................... 22
8.1 Replace Battery ....................................................................................................................................22
8.2 Upgrade Firmware................................................................................................................................22
8.3 Troubleshooting ....................................................................................................................................24
9 Product Liability ................................................................................................................................................... 25
10 Recycle ................................................................................................................................................................ 26
5
Detect the voltage and temperature of cell, the voltage and current of battery.
• SOC estimate:
Indicate the precise volume of remaining electricity.
• Alarm:
Alarm when overvoltage, under voltage, overcurrent, over temperature or under temperature occurs.
• Protection:
Protect against over voltage, under voltage, over current, over temperature, under temperature, cell fault
and hardware failure.
• Report:
Report alarm messages and operation data to PCS via CAN network ports.
• Parallel connection:
Support a maximum of 6 batteries in parallel connection.
• Power-off triggered by fault:
%DWWHU\SRZHUVRႇLIOHYHOWKUHHXQGHUYROWDJH9FHOORUSDUDOOHOFRQQHFWLRQIDLOXUHKDSSHQV
• Forced power-off:
When battery does not connect to mains supply, hold POWER button for two seconds and battery powers
Rႇ
• Activation:
,QSXW9a9YLD33WHUPLQDOVEDWWHU\ZLOOEHDFWLYDWHGIURPRႇPRGHWRVWDQGE\VWDWXV
2.3 Appearance and Terminals
The battery is an energy storage unit composed of cells, mechanical parts, battery management system (BMS)
as well as power and signal terminals.
Table 2-1 Mechanical features
Parameter Value
Dimension W445*D131*H399.6 mm
Weight Around 29kg
Installation Rack-mounted installation or Wall-mounted bracket installation
445
399.6
131
345
1
2
678
6
Table 2-2 Ports and terminals
No. Label Name
1 Link-Out Output network port for parallel connection
2+ Positive power terminal
3- Negative power terminal
4 Link-In Input network port for parallec connection
5 PCS Network port for communication with PCS
6 POWER POWER button
7 SOC indicator
8 R/A Running/Alarm indicator
Table 2-3 LED indicators
Status SOC Indication LED1 LED2 LED3 LED4 LED5
Charging 0%-25.0% SOC Ƶ ƽ
25.1%-50.0% SOC ƵƵ ƽ
50.1%-75.0% SOC Ƶ ƵƵ ƽ
75.1%-99.9% SOC Ƶ ƵƵ Ƶ ƽ
100% SOC ƽ ƽƽ ƽ ƽ
Discharging & Standby 100%-75.1% ƽ ƽƽ ƽ ƽ
75.0%-50.1% ƽ ƽƽ ƽ
50.0%-25.1% ƽƽ ƽ
25.0%-0% ƽ ƽ
ƾ: Blue LED Blink ƽ: Blue LED On Ƶ: Blue LED flash display
2.4 Technical Parameters
No. Items Specifications
1 Nominal Voltage (V) 51.2V
2 Total Capacity/Energy 64Ah/3.3kWh
3 Usable/Rated Capacity/Energy 58.6Ah/3.0kWh
4 Operating Voltage 44.8 ~ 57.6V
5 Max.Charging Current &7&$
&7&$
&7&$
&7&$
&7&$
&7&$
LED1 LED5LED2 LED3 LED4

1
About This Document
Purpose
This document describes the application scenarios, installation, electrical connection, commissioning and
troubleshooting of IPack C3.3, a 3.3 kWh standalone Energy Storage Battery (hereinafter simply put as
battery). Before installing and operating battery, please ensure that you are familiar with product features,
functions, and safety precautions as provided in this document.
Target Audience
Installer, operator, commissioning personnel, maintenance personnel of the RESS product
Symbols and Conventions
Warning and caution messages are listed in the document to remind users, installers and maintainer of safe
operation.
Symbol Description
!
W
ARNING
Indicates a potentially hazardous situation, if not avoided, could result in serious injury
or death.
!CAUTION
Indicates a potentially hazardous situation, if not avoided, may result in minor or
moderate injury

1
About This Document
Purpose
This document describes the application scenarios, installation, electrical connection, commissioning and
troubleshooting of IPack C3.3, a 3.3 kWh standalone Energy Storage Battery (hereinafter simply put as
battery). Before installing and operating battery, please ensure that you are familiar with product features,
functions, and safety precautions as provided in this document.
Target Audience
Installer, operator, commissioning personnel, maintenance personnel of the RESS product
Symbols and Conventions
Warning and caution messages are listed in the document to remind users, installers and maintainer of safe
operation.
Symbol Description
!WARNING
Indicates a potentially hazardous situation, if not avoided, could result in serious injury
or death.
!CAUTION
Indicates a potentially hazardous situation, if not avoided, may result in minor or
moderate injury
2
1 Important Safety Information
1.1 Warning Label
Do not dispose battery in household trash. Battery is heavy enough to cause severe
injury.
Recyclable. Keep battery away from children.
Certification in European Union area. Do not reverse polarities.
Risk of electric shock. Do not expose battery to flame.
Explosive gas. Operate as specified by the manual.
Battery may leak corrosive electrolyte. Read the manual before operating.
Nameplate
IFpP16/122/360/[1P16S]M/-10+50/90
Model
Nominal Voltage
Total/Rated Capacity
Total/Rated Energy
Ingress Protection
Operating Ambient Temperature
Max Short Current and Duration
Shanghai Dowell Technology Co.,Ltd.
Web: http://www.dowellelectronic.com
Email:[email protected]
iPack C3.3
51.2V
64Ah/58.6Ah
3276Wh/3000Wh
IP20
-10˫~50˫
1700A, 2ms
Made in China
1.2 Precautions
Risks of electrolyte leakage
• Do not subject battery to strong impact.
• Do not crush or puncture battery.
• Prevent battery from falling. In case of fall, turn off the battery immediately and stop using it.
• Do not open or mutilate batteries. Released electrolyte is harmful to the skin and eyes.
Warning Label
WARNING AVERTISSEMENT
1. Do not disassemble or alter the battery in any way.
Ne démontez ni modifiez la batterie en aucune façon.
2. Do not use the battery for purposes not described in its documentation.
N'utilisez pas la batterie à des fins non décrites dans sa documentation.
3. Do not drop, strike, puncture, or step on the battery.
Ne laissez pas tomber, ne heurtez pas, ne percez pas et ne marchez pas sur la batterie.
4. In case of electrolyte leakage, keep leaked electrolyte away from contact
with eyes or skin, immediately clean with water and seek help from a doctor.
En cas de fuite d'électrolyte, gardez l'électrolyte qui fuit loin du contact avec les yeux
ou la peau, nettoyez immédiatement avec de l'eau et demander de l'aide à un médecin.
5. Do not put the battery into a fire. Do not use it or leave it in a place near fire, heaters,
or high temperature sources.
Ne mettez pas la batterie au feu. Ne l'utilisez pas et ne le laissez pas dans un
endroit près de feu, de radiateurs ou de sources de températures élevées.
6. Do not submerge the battery in water, or expose it to moisture.
Ne plongez pas la batterie dans l'eau et ne l'exposez pas à l'humidité.
7. Do not allow the terminals to contact exposed wire or metal.
Ne laissez pas les bornes entrer en contact avec du fil ou du métal exposé.
8. The battery is heavy and can cause injury if not handled safely.
La batterie est lourde et peut provoquer des blessures si elle n'est pas manipulée en toute sécurité.
9. Keep out of reach of children or animals. Tenir hors de portée des enfants ou des animaux.
7
5 Max.Discharging Current &7&: 10 A
&7&$
&7&$
&7&$
6 Max. Discharging Power 3kW
7 Peak Discharging Power 4.14kW/3s
8 Max Charging Power 3kW
9 Peak Charging Power 4.14kW/3s
10 IP Protection IP20
11 Operating Temperature -10°C~+50°C
12 Recommended Operating Temperature -15°C~+30°C
13 Storage Temperature Temperature: -20°C ~ + 45°C, within 6 months
Temperature: -30°C ~ -20°C, 45°C~ 60°C, within 7 days
(for shipping state)
Humidity: 5%-95%RH
Within 6 month after each charge
14 RTE 94%, 0.2C charge/discharge 25°C
15 DOD 94.5%
16 EOL 10 years, or SOH <50%, or single cell voltage falls
below 2V
17 Cooling Natural cooling
18 Operation altitude P
19 Parallel Connection Max. 6 packs
20 Communication Port CAN2.0 / RS485
21 Safety Certification IEC62619, CE
22 Transportation Certification UN38.3+PI965 (Sea)
23 Environmental Certification RoHS, REACH
8
3 Battery Storage and Transportation
3.1 Safe Storage
Battery storage life
Life Temperature Humidity
7 days -30ႏto -20ႏor 45ႏto 60ႏ5%RH-95%RH
180 days -20ႏto 45ႏ5%RH-95%RH
If the battery is not used for more than 1 week, you need to store it in accordance with the requirement for
storage conditions.
• Place battery according to signs on packing box and do not put battery upside down or sidelong.
• Store batteries in a place free from direct sunlight and rain.
• Keep batteries at least two meters away from a heat source (such as a radiator).
• Avoid contacting with corrosive and organic substances (including gas exposure).
•Batteries with deficiencies should be separated from normal batteries by setting wall between or placing in
difference fire protection zones.
• Keep the storage area dry, clean and well ventilated.
In case of storage over 6 months, batteries should be recharged in the following steps:
1. Identify batteries that need recharging;
2. Ensure batteries in power-off mode. Refer to Quick Guidance to complete the installation and wire
connection;
3. Set “CV=55V, CC=16A (5°C-45°C)";
4. 5HFKDUJHXQWLO/('ÀLFNV
3.2 Safe Transportation
Battery has cleared UN38.3 (Section 38.3 of the Seventh Revised Edition of the Recommendations on the
Transport of Dangerous Goods: Manual of Tests and Criteria) and SN/T 0370.2-2009 (Part 2: Performance
Test of the Rules for the Inspection of packaging for Exporting Dangerous Goods). The battery is classified as
class 9 dangerous goods, and is subject to land and water transportation. It is mandatory to report to the airline
company and obtain approval before air transport.
•Before transportation, press POWER button for two seconds and five LED lights flicker for three times to
power off battery.
•During transportation, put battery flat, do not have battery stand on or lean against the floor to avoid
possible crash.
• Maintain temperature between -20ႏto 45ႏduring the transportation.
• Prohibit mixing up with explosive, inflammable or toxic objects.
•Use van-type vehicle including container and metallic van-type vehicle. Platform vehicle and convertible
are prohibited.
• Do not pile up foreign objects on the top of battery.
• At most four batteries in package can be piled up.
• Maintain original packaging and keep labels complete and recognizable.
• Prevent from direct sun exposure, rain, condensation and mechanical damages.

2
1 Important Safety Information
1.1 Warning Label
Do not dispose battery in household trash. Battery is heavy enough to cause severe
injury.
Recyclable. Keep battery away from children.
Certification in European Union area. Do not reverse polarities.
Risk of electric shock. Do not expose battery to flame.
Explosive gas. Operate as specified by the manual.
Battery may leak corrosive electrolyte. Read the manual before operating.
Nameplate Warning Label
IFpP16/122/360/[1P16S]M/-10+50/90
Model
Nominal Voltage
Total/Rated Capacity
Total/Rated Energy
Ingress Protection
Operating Ambient Temperature
Max Short Current and Duration
Shanghai Dowell Technology Co.,Ltd.
Web: http://www.dowellelectronic.com
Email:[email protected]
iPack C3.3
51.2V
64Ah/58.6Ah
3276Wh/3000Wh
IP20
-10˫~50˫
1700A, 2ms
Made in China
1.2 Precautions
Risks of electrolyte leakage
• Do not subject battery to strong impact.
• Do not crush or puncture battery.
• Prevent battery from falling. In case of fall, turn off the battery immediately and stop using it.
• Do not open or mutilate batteries. Released electrolyte is harmful to the skin and eyes.
WARNING AVERTISSEMENT
1. Do not disassemble or alter the battery in any way.
Ne démontez ni modifiez la batterie en aucune façon.
2. Do not use the battery for purposes not described in its documentation.
N'utilisez pas la batterie à des fins non décrites dans sa documentation.
3. Do not drop, strike, puncture, or step on the battery.
Ne laissez pas tomber, ne heurtez pas, ne percez pas et ne marchez pas sur la batterie.
4. In case of electrolyte leakage, keep leaked electrolyte away from contact
with eyes or skin, immediately clean with water and seek help from a doctor.
En cas de fuite d'électrolyte, gardez l'électrolyte qui fuit loin du contact avec les yeux
ou la peau, nettoyez immédiatement avec de l'eau et demander de l'aide à un médecin.
5. Do not put the battery into a fire. Do not use it or leave it in a place near fire, heaters,
or high temperature sources.
Ne mettez pas la batterie au feu. Ne l'utilisez pas et ne le laissez pas dans un
endroit près de feu, de radiateurs ou de sources de températures élevées.
6. Do not submerge the battery in water, or expose it to moisture.
Ne plongez pas la batterie dans l'eau et ne l'exposez pas à l'humidité.
7. Do not allow the terminals to contact exposed wire or metal.
Ne laissez pas les bornes entrer en contact avec du fil ou du métal exposé.
8. The battery is heavy and can cause injury if not handled safely.
La batterie est lourde et peut provoquer des blessures si elle n'est pas manipulée en toute sécurité.
9. Keep out of reach of children or animals. Tenir hors de portée des enfants ou des animaux.
3
Risks of fire
• Do not expose battery to direct sunlight.
• Avoid contact with conductive objects such as wires.
• Keep battery away from fire source, inflammable, explosive and chemical materials.
• Do not dispose of batteries in a fire. The batteries may explode.
Risks of electric shock
• Do not touch battery with wet hands.
• Keep battery away from children and animals.
• A battery can present a risk of electric shock and burns by high short-circuited current.
• Battery installation and wire connection must be operated by professionals.
Risks of damage
• Keep a distance to water source.
• Do not subject battery to high voltage.
• Place battery on a flat surface. Do not place any foreign object on top of battery nor step on battery.
• Battery-connected PCS should have reinforced insulation.
Table 1-1 Responses to Emergencies
Event Description and recommended actions
Leakage Inhalation: leave the contaminated area right now.
• Swallow: induce vomiting.
• Contact with eyes: flush eyes with flowing water for 15 minutes.
• Contact with skin: wash thoroughly with soap and water.
• Immediately seek for medical intervention after taking emergency measures.
Fire Battery may catch fire when heated above 150ႏ.
Please implement the following actions:
•Extinguish fire before the battery catches fire. ABC or carbon dioxide extinguisher is
recommended.
• If the fire is too strong to put out, move battery to a safe place before it catches fire.
•If battery is on fire, evacuate people first before seeking help from professional fire
protection personnel.
•If battery catches fire during charging, turn off the breaker between battery and PCS
when safety can be guaranteed.
Wet battery If battery became wet or has been submerged in water, do not access it. Immediately contact
your distributor for technical assistance.
Damage Damaged battery is dangerous and must be handled with utmost care. They are not usable
for use and could pose a safety threat to people or property. If battery is suspected to be
damaged, stop any operation and return it to distributor.
8
3 Battery Storage and Transportation
3.1 Safe Storage
Battery storage life
Life Temperature Humidity
7 days -30ႏto -20ႏor 45ႏto 60ႏ5%RH-95%RH
180 days -20ႏto 45ႏ5%RH-95%RH
If the battery is not used for more than 1 week, you need to store it in accordance with the requirement for
storage conditions.
• Place battery according to signs on packing box and do not put battery upside down or sidelong.
• Store batteries in a place free from direct sunlight and rain.
• Keep batteries at least two meters away from a heat source (such as a radiator).
• Avoid contacting with corrosive and organic substances (including gas exposure).
•Batteries with deficiencies should be separated from normal batteries by setting wall between or placing in
difference fire protection zones.
• Keep the storage area dry, clean and well ventilated.
In case of storage over 6 months, batteries should be recharged in the following steps:
1. Identify batteries that need recharging;
2. Ensure batteries in power-off mode. Refer to Quick Guidance to complete the installation and wire
connection;
3. Set “CV=55V, CC=16A (5°C-45°C)";
4. 5HFKDUJHXQWLO/('ÀLFNV
3.2 Safe Transportation
Battery has cleared UN38.3 (Section 38.3 of the Seventh Revised Edition of the Recommendations on the
Transport of Dangerous Goods: Manual of Tests and Criteria) and SN/T 0370.2-2009 (Part 2: Performance
Test of the Rules for the Inspection of packaging for Exporting Dangerous Goods). The battery is classified as
class 9 dangerous goods, and is subject to land and water transportation. It is mandatory to report to the airline
company and obtain approval before air transport.
•Before transportation, press POWER button for two seconds and five LED lights flicker for three times to
power off battery.
•During transportation, put battery flat, do not have battery stand on or lean against the floor to avoid
possible crash.
• Maintain temperature between -20ႏto 45ႏduring the transportation.
• Prohibit mixing up with explosive, inflammable or toxic objects.
•Use van-type vehicle including container and metallic van-type vehicle. Platform vehicle and convertible
are prohibited.
• Do not pile up foreign objects on the top of battery.
• At most four batteries in package can be piled up.
• Maintain original packaging and keep labels complete and recognizable.
• Prevent from direct sun exposure, rain, condensation and mechanical damages.
9
4 Tools and Protective Equipment
Before installing, operating, and maintaining the battery, you need to prepare tools and protection equipment to
ensure safety.
Wire stripper Wire cutter Wire crimper Hydraulic plier
FUSED
FUSED
1000V MAX
10A 100m A COM
V¡
OFF
V
A
A
V
ɏ
Hz
%
Screwdriver Hex key Multi-meter
Insulated gloves Safety goggle Safety shoes
To prevent injury, always wear acid-resistant clothing, PVC gloves, goggles and rubber boots during
installation, operation, and maintenance.
3
Risks of fire
• Do not expose battery to direct sunlight.
• Avoid contact with conductive objects such as wires.
• Keep battery away from fire source, inflammable, explosive and chemical materials.
• Do not dispose of batteries in a fire. The batteries may explode.
Risks of electric shock
• Do not touch battery with wet hands.
• Keep battery away from children and animals.
• A battery can present a risk of electric shock and burns by high short-circuited current.
• Battery installation and wire connection must be operated by professionals.
Risks of damage
• Keep a distance to water source.
• Do not subject battery to high voltage.
• Place battery on a flat surface. Do not place any foreign object on top of battery nor step on battery.
• Battery-connected PCS should have reinforced insulation.
Table 1-1 Responses to Emergencies
Event Description and recommended actions
Leakage Inhalation: leave the contaminated area right now.
• Swallow: induce vomiting.
• Contact with eyes: flush eyes with flowing water for 15 minutes.
• Contact with skin: wash thoroughly with soap and water.
• Immediately seek for medical intervention after taking emergency measures.
Fire Battery may catch fire when heated above 150 .
Please implement the following actions:
• Extinguish fire before the battery catchesfire. ABC or carbon dioxide extinguisher is
recommended.
• If the fire is too strong to put out, move battery to a safe place before it catches fire.
•If batteryis on fire,evacuate people first before seeking help from professional fire
protection personnel.
•If battery catches fire during charging,turn off the breaker between battery and PCS
when safety can be guaranteed.
Wet battery If battery became wet or has been submerged in water, do not access it. Immediately contact
your distributor for technical assistance.
Damage Damaged battery is dangerous and must be handled with utmost care. They are not usable
for use and could pose a safety threat to people or property. If battery is suspected to be
damaged, stop any operation and return it to distributor.

4
2 Overview
iPack C3.3 is a 3.3 kWh standalone LiFePO4 battery pack. It has a 48V battery module as the main power
supply unit composed of 64 Ah cells in one parallel and 16 serial connect (1P16S). Battery coordinates with
PV, power conversion system (PCS), Grid, DC Breaker and loads in the residential energy storage system.
2.1 Application Scenarios
The typical application scenarios are as shown below.
The energy produced by PV is optimized to
supply loads. The excess energy is used to
charge battery, then export to grid.
Battery powers loads at nighttime when there
is no PV. If battery energy is insufficient, it can
supply loads together with grid.
When grid falls, battery and PV can power
loads.
Battery can be charged by grid. Users are
suggested to store energy from grid to battery
when electricity price is relatively lower.
2.2 Product Features
Compared with normal batteries, the battery is characterized with better charging and discharging
performance, longer cycle life and less self-discharging loss. The build-in BMS can monitor battery operation
status and alarm timely to avoid operation out of limit. A maximum of 6 batteries can be parallel-connected
to expand energy and power of energy storage system. Battery realizes communication with PCS via CAN
network port.
• Monitoring:

5
Detect the voltage and temperature of cell, the voltage and current of battery.
• SOC estimate:
Indicate the precise volume of remaining electricity.
• Alarm:
Alarm when overvoltage, under voltage, overcurrent, over temperature or under temperature occurs.
• Protection:
Protect against over voltage, under voltage, over current, over temperature, under temperature, cell fault
and hardware failure.
• Report:
Report alarm messages and operation data to PCS via CAN network ports.
• Parallel connection:
Support a maximum of 6 batteries in parallel connection.
• Power-off triggered by fault:
• Forced power-off:
When battery does not connect to mains supply, hold POWER button for two seconds and battery powers
• Activation:
2.3 Appearance and Terminals
The battery is an energy storage unit composed of cells, mechanical parts, battery management system (BMS)
as well as power and signal terminals.
Table 2-1 Mechanical features
Parameter Value
Dimension W445*D131*H399.6 mm
Weight Around 30kg
Installation Rack-mounted installation or Wall-mounted bracket installation
445
399.6
131
345
1
2
67 8

5
Detect the voltage and temperature of cell, the voltage and current of battery.
• SOC estimate:
Indicate the precise volume of remaining electricity.
• Alarm:
Alarm when overvoltage, under voltage, overcurrent, over temperature or under temperature occurs.
• Protection:
Protect against over voltage, under voltage, over current, over temperature, under temperature, cell fault
and hardware failure.
• Report:
Report alarm messages and operation data to PCS via CAN network ports.
• Parallel connection:
Support a maximum of 6 batteries in parallel connection.
• Power-off triggered by fault:
%DWWHU\SRZHUVRႇLIOHYHOWKUHHXQGHUYROWDJH9FHOORUSDUDOOHOFRQQHFWLRQIDLOXUHKDSSHQV
• Forced power-off:
When battery does not connect to mains supply, hold POWER button for two seconds and battery powers
Rႇ
• Activation:
,QSXW9a9YLD33WHUPLQDOVEDWWHU\ZLOOEHDFWLYDWHGIURPRႇPRGHWRVWDQGE\VWDWXV
2.3 Appearance and Terminals
The battery is an energy storage unit composed of cells, mechanical parts, battery management system (BMS)
as well as power and signal terminals.
Table 2-1 Mechanical features
Parameter Value
Dimension W445*D131*H399.6 mm
Weight Around 29kg
Installation Rack-mounted installation or Wall-mounted bracket installation
445
399.6
131
345
1
2
678
6
Table 2-2 Ports and terminals
No. Label Name
1 Link-Out Output network port for parallel connection
2+ Positive power terminal
3- Negative power terminal
4 Link-In Input network port for parallec connection
5 PCS Network port for communication with PCS
6 POWER POWER button
7SOC indicator
8 R/A Running/Alarm indicator
Table 2-3 LED indicators
Status SOC Indication LED1 LED2 LED3 LED4 LED5
Charging 0%-25.0% SOC Ƶ ƽ
25.1%-50.0% SOC ƵƵ ƽ
50.1%-75.0% SOC Ƶ ƵƵ ƽ
75.1%-99.9% SOC Ƶ ƵƵ Ƶ ƽ
100% SOC ƽ ƽƽ ƽ ƽ
Discharging & Standby 100%-75.1% ƽ ƽƽ ƽ ƽ
75.0%-50.1% ƽ ƽƽ ƽ
50.0%-25.1% ƽƽ ƽ
25.0%-0% ƽ ƽ
e LED flash display
e LED Blink ƽƾ: Blu: Blue LED On Ƶ: Blu
2.4 Technical Parameters
No. Items Specifications
1 Nominal Voltage (V) 51.2V
2 Total Capacity/Energy 64Ah/3.3kWh
3 Usable/Rated Capacity/Energy 58.6Ah/3.0kWh
4 Operating Voltage 44.8 ~ 57.6V
5 Max.Charging Current &7&$
&7&$
&7&$
&7&$
&7&$
&7&$
LED1 LED5LED2 LED3 LED4
6
Table 2-2 Ports and terminals
No. Label Name
1 Link-Out Output network port for parallel connection
2+ Positive power terminal
3- Negative power terminal
4 Link-In Input network port for parallec connection
5 PCS Network port for communication with PCS
6 POWER POWER button
7 SOC indicator
8 R/A Running/Alarm indicator
Table 2-3 LED indicators
Status SOC Indication LED1 LED2 LED3 LED4 LED5
Charging 0%-25.0% SOC
25.1%-50.0% SOC
50.1%-75.0% SOC
75.1%-99.9% SOC
100% SOC
Discharging & Standby 100%-75.1%
75.0%-50.1%
50.0%-25.1%
25.0%-0%
: Blue LED Blink : Blue LED On : Blue LED flash display
2.4 Technical Parameters
No. Items Specifications
1 Nominal Voltage (V) 51.2V
2 Total Capacity/Energy 64Ah/3.3kWh
3 Usable/Rated Capacity/Energy 58.6Ah/3.0kWh
4 Operating Voltage 44.8 ~ 57.6V
5 Max.Charging Current
LED1 LED5LED2 LED3 LED4

7
5 Max.Discharging Current : 10 A
6 Max. Discharging Power 3kW
7 Peak Discharging Power 4.14kW/3s
8 Max Charging Power 3kW
9 Peak Charging Power 4.14kW/3s
10 IP Protection IP20
11 Operating Temperature -10°C~+50°C
12 Recommended Operating Temperature -15°C~+30°C
13 Storage Temperature Temperature: -20°C ~ + 45°C, within 6 months
Temperature: -30°C ~ -20°C, 45°C~ 60°C, within 7 days
(for shipping state)
Humidity: 5%-95%RH
Within 6 month after each charge
14 RTE 94%, 0.2C charge/discharge 25°C
15 DOD 93%
16 EOL 10 years, or SOH <50%, or single cell voltage falls
below 2V
17 Cooling Natural cooling
18 Operation altitude
19 Parallel Connection Max. 6 packs
20 Communication Port CAN2.0 / RS485
21 Safety Certification IEC62619, CE
22 Transportation Certification UN38.3+PI965 (Sea)
23 Environmental Certification RoHS, REACH

1
About This Document
Purpose
This document describes the application scenarios, installation, electrical connection, commissioning and
troubleshooting of IPack C3.3, a 3.3 kWh standalone Energy Storage Battery (hereinafter simply put as
battery). Before installing and operating battery, please ensure that you are familiar with product features,
functions, and safety precautions as provided in this document.
Target Audience
Installer, operator, commissioning personnel, maintenance personnel of the RESS product
Symbols and Conventions
Warning and caution messages are listed in the document to remind users, installers and maintainer of safe
operation.
Symbol Description
!WARNING
Indicates a potentially hazardous situation, if not avoided, could result in serious injury
or death.
!CAUTION
Indicates a potentially hazardous situation, if not avoided, may result in minor or
moderate injury
2
1 Important Safety Information
1.1 Warning Label
Do not dispose battery in household trash. Battery is heavy enough to cause severe
injury.
Recyclable. Keep battery away from children.
Certification in European Union area. Do not reverse polarities.
Risk of electric shock. Do not expose battery to flame.
Explosive gas. Operate as specified by the manual.
Battery may leak corrosive electrolyte. Read the manual before operating.
Nameplate Warning Label
IFpP16/122/360/[1P16S]M/-10+50/90
Model
Nominal Voltage
Total/Rated Capacity
Total/Rated Energy
Ingress Protection
Operating Ambient Temperature
Max Short Current and Duration
Shanghai Dowell Technology Co.,Ltd.
Web: http://www.dowellelectronic.com
Email:[email protected]
iPack C3.3
51.2V
64Ah/58.6Ah
3276Wh/3000Wh
IP20
-10˫~50˫
1700A, 2ms
Made in China
1.2 Precautions
Risks of electrolyte leakage
• Do not subject battery to strong impact.
• Do not crush or puncture battery.
• Prevent battery from falling. In case of fall, turn off the battery immediately and stop using it.
• Do not open or mutilate batteries. Released electrolyte is harmful to the skin and eyes.
WARNING AVERTISSEMENT
1. Do not disassemble or alter the battery in any way.
Ne démontez ni modifiez la batterie en aucune façon.
2. Do not use the battery for purposes not described in its documentation.
N'utilisez pas la batterie à des fins non décrites dans sa documentation.
3. Do not drop, strike, puncture, or step on the battery.
Ne laissez pas tomber, ne heurtez pas, ne percez pas et ne marchez pas sur la batterie.
4. In case of electrolyte leakage, keep leaked electrolyte away from contact
with eyes or skin, immediately clean with water and seek help from a doctor.
En cas de fuite d'électrolyte, gardez l'électrolyte qui fuit loin du contact avec les yeux
ou la peau, nettoyez immédiatement avec de l'eau et demander de l'aide à un médecin.
5. Do not put the battery into a fire. Do not use it or leave it in a place near fire, heaters,
or high temperature sources.
Ne mettez pas la batterie au feu. Ne l'utilisez pas et ne le laissez pas dans un
endroit près de feu, de radiateurs ou de sources de températures élevées.
6. Do not submerge the battery in water, or expose it to moisture.
Ne plongez pas la batterie dans l'eau et ne l'exposez pas à l'humidité.
7. Do not allow the terminals to contact exposed wire or metal.
Ne laissez pas les bornes entrer en contact avec du fil ou du métal exposé.
8. The battery is heavy and can cause injury if not handled safely.
La batterie est lourde et peut provoquer des blessures si elle n'est pas manipulée en toute sécurité.
9. Keep out of reach of children or animals. Tenir hors de portée des enfants ou des animaux.
7
5 Max.Discharging Current &7&: 10 A
&7&$
&7&$
&7&$
6 Max. Discharging Power 3kW
7 Peak Discharging Power 4.14kW/3s
8 Max Charging Power 3kW
9 Peak Charging Power 4.14kW/3s
10 IP Protection IP20
11 Operating Temperature -10°C~+50°C
12 Recommended Operating Temperature -15°C~+30°C
13 Storage Temperature Temperature: -20°C ~ + 45°C, within 6 months
Temperature: -30°C ~ -20°C, 45°C~ 60°C, within 7 days
(for shipping state)
Humidity: 5%-95%RH
Within 6 month after each charge
14 RTE 94%, 0.2C charge/discharge 25°C
15 DOD 94.5%
16 EOL 10 years, or SOH <50%, or single cell voltage falls
below 2V
17 Cooling Natural cooling
18 Operation altitude P
19 Parallel Connection Max. 6 packs
20 Communication Port CAN2.0 / RS485
21 Safety Certification IEC62619, CE
22 Transportation Certification UN38.3+PI965 (Sea)
23 Environmental Certification RoHS, REACH
8
3 Battery Storage and Transportation
3.1 Safe Storage
Battery storage life
Life Temperature Humidity
7 days -30ႏto -20ႏor 45ႏto 60ႏ5%RH-95%RH
180 days -20ႏto 45ႏ5%RH-95%RH
If the battery is not used for more than 1 week, you need to store it in accordance with the requirement for
storage conditions.
• Place battery according to signs on packing box and do not put battery upside down or sidelong.
• Store batteries in a place free from direct sunlight and rain.
• Keep batteries at least two meters away from a heat source (such as a radiator).
• Avoid contacting with corrosive and organic substances (including gas exposure).
•Batteries with deficiencies should be separated from normal batteries by setting wall between or placing in
difference fire protection zones.
• Keep the storage area dry, clean and well ventilated.
In case of storage over 6 months, batteries should be recharged in the following steps:
1. Identify batteries that need recharging;
2. Ensure batteries in power-off mode. Refer to Quick Guidance to complete the installation and wire
connection;
3. Set “CV=55V, CC=16A (5°C-45°C)";
4. 5HFKDUJHXQWLO/('ÀLFNV
3.2 Safe Transportation
Battery has cleared UN38.3 (Section 38.3 of the Seventh Revised Edition of the Recommendations on the
Transport of Dangerous Goods: Manual of Tests and Criteria) and SN/T 0370.2-2009 (Part 2: Performance
Test of the Rules for the Inspection of packaging for Exporting Dangerous Goods). The battery is classified as
class 9 dangerous goods, and is subject to land and water transportation. It is mandatory to report to the airline
company and obtain approval before air transport.
•Before transportation, press POWER button for two seconds and five LED lights flicker for three times to
power off battery.
•During transportation, put battery flat, do not have battery stand on or lean against the floor to avoid
possible crash.
• Maintain temperature between -20ႏto 45ႏduring the transportation.
• Prohibit mixing up with explosive, inflammable or toxic objects.
•Use van-type vehicle including container and metallic van-type vehicle. Platform vehicle and convertible
are prohibited.
• Do not pile up foreign objects on the top of battery.
• At most four batteries in package can be piled up.
• Maintain original packaging and keep labels complete and recognizable.
• Prevent from direct sun exposure, rain, condensation and mechanical damages.

2
1 Important Safety Information
1.1 Warning Label
Do not dispose battery in household trash. Battery is heavy enough to cause severe
injury.
Recyclable. Keep battery away from children.
Certification in European Union area. Do not reverse polarities.
Risk of electric shock. Do not expose battery to flame.
Explosive gas. Operate as specified by the manual.
Battery may leak corrosive electrolyte. Read the manual before operating.
Nameplate Warning Label
IFpP16/122/360/[1P16S]M/-10+50/90
Model
Nominal Voltage
Total/Rated Capacity
Total/Rated Energy
Ingress Protection
Operating Ambient Temperature
Max Short Current and Duration
Shanghai Dowell Technology Co.,Ltd.
Web: http://www.dowellelectronic.com
Email:[email protected]
iPack C3.3
51.2V
64Ah/58.6Ah
3276Wh/3000Wh
IP20
-10˫~50˫
1700A, 2ms
Made in China
1.2 Precautions
Risks of electrolyte leakage
• Do not subject battery to strong impact.
• Do not crush or puncture battery.
• Prevent battery from falling. In case of fall, turn off the battery immediately and stop using it.
• Do not open or mutilate batteries. Released electrolyte is harmful to the skin and eyes.
WARNING AVERTISSEMENT
1. Do not disassemble or alter the battery in any way.
Ne démontez ni modifiez la batterie en aucune façon.
2. Do not use the battery for purposes not described in its documentation.
N'utilisez pas la batterie à des fins non décrites dans sa documentation.
3. Do not drop, strike, puncture, or step on the battery.
Ne laissez pas tomber, ne heurtez pas, ne percez pas et ne marchez pas sur la batterie.
4. In case of electrolyte leakage, keep leaked electrolyte away from contact
with eyes or skin, immediately clean with water and seek help from a doctor.
En cas de fuite d'électrolyte, gardez l'électrolyte qui fuit loin du contact avec les yeux
ou la peau, nettoyez immédiatement avec de l'eau et demander de l'aide à un médecin.
5. Do not put the battery into a fire. Do not use it or leave it in a place near fire, heaters,
or high temperature sources.
Ne mettez pas la batterie au feu. Ne l'utilisez pas et ne le laissez pas dans un
endroit près de feu, de radiateurs ou de sources de températures élevées.
6. Do not submerge the battery in water, or expose it to moisture.
Ne plongez pas la batterie dans l'eau et ne l'exposez pas à l'humidité.
7. Do not allow the terminals to contact exposed wire or metal.
Ne laissez pas les bornes entrer en contact avec du fil ou du métal exposé.
8. The battery is heavy and can cause injury if not handled safely.
La batterie est lourde et peut provoquer des blessures si elle n'est pas manipulée en toute sécurité.
9. Keep out of reach of children or animals. Tenir hors de portée des enfants ou des animaux.
3
Risks of fire
• Do not expose battery to direct sunlight.
• Avoid contact with conductive objects such as wires.
• Keep battery away from fire source, inflammable, explosive and chemical materials.
• Do not dispose of batteries in a fire. The batteries may explode.
Risks of electric shock
• Do not touch battery with wet hands.
• Keep battery away from children and animals.
• A battery can present a risk of electric shock and burns by high short-circuited current.
• Battery installation and wire connection must be operated by professionals.
Risks of damage
• Keep a distance to water source.
• Do not subject battery to high voltage.
• Place battery on a flat surface. Do not place any foreign object on top of battery nor step on battery.
• Battery-connected PCS should have reinforced insulation.
Table 1-1 Responses to Emergencies
Event Description and recommended actions
Leakage Inhalation: leave the contaminated area right now.
• Swallow: induce vomiting.
• Contact with eyes: flush eyes with flowing water for 15 minutes.
• Contact with skin: wash thoroughly with soap and water.
• Immediately seek for medical intervention after taking emergency measures.
Fire Battery may catch fire when heated above 150ႏ.
Please implement the following actions:
•Extinguish fire before the battery catches fire. ABC or carbon dioxide extinguisher is
recommended.
• If the fire is too strong to put out, move battery to a safe place before it catches fire.
•If battery is on fire, evacuate people first before seeking help from professional fire
protection personnel.
•If battery catches fire during charging, turn off the breaker between battery and PCS
when safety can be guaranteed.
Wet battery If battery became wet or has been submerged in water, do not access it. Immediately contact
your distributor for technical assistance.
Damage Damaged battery is dangerous and must be handled with utmost care. They are not usable
for use and could pose a safety threat to people or property. If battery is suspected to be
damaged, stop any operation and return it to distributor.
8
3 Battery Storage and Transportation
3.1 Safe Storage
Battery storage life
Life Temperature Humidity
7 days -30ႏto -20ႏor 45ႏto 60ႏ5%RH-95%RH
180 days -20ႏto 45ႏ5%RH-95%RH
If the battery is not used for more than 1 week, you need to store it in accordance with the requirement for
storage conditions.
• Place battery according to signs on packing box and do not put battery upside down or sidelong.
• Store batteries in a place free from direct sunlight and rain.
• Keep batteries at least two meters away from a heat source (such as a radiator).
• Avoid contacting with corrosive and organic substances (including gas exposure).
•Batteries with deficiencies should be separated from normal batteries by setting wall between or placing in
difference fire protection zones.
• Keep the storage area dry, clean and well ventilated.
In case of storage over 6 months, batteries should be recharged in the following steps:
1. Identify batteries that need recharging;
2. Ensure batteries in power-off mode. Refer to Quick Guidance to complete the installation and wire
connection;
3. Set “CV=55V, CC=16A (5°C-45°C)";
4. 5HFKDUJHXQWLO/('ÀLFNV
3.2 Safe Transportation
Battery has cleared UN38.3 (Section 38.3 of the Seventh Revised Edition of the Recommendations on the
Transport of Dangerous Goods: Manual of Tests and Criteria) and SN/T 0370.2-2009 (Part 2: Performance
Test of the Rules for the Inspection of packaging for Exporting Dangerous Goods). The battery is classified as
class 9 dangerous goods, and is subject to land and water transportation. It is mandatory to report to the airline
company and obtain approval before air transport.
•Before transportation, press POWER button for two seconds and five LED lights flicker for three times to
power off battery.
•During transportation, put battery flat, do not have battery stand on or lean against the floor to avoid
possible crash.
• Maintain temperature between -20ႏto 45ႏduring the transportation.
• Prohibit mixing up with explosive, inflammable or toxic objects.
•Use van-type vehicle including container and metallic van-type vehicle. Platform vehicle and convertible
are prohibited.
• Do not pile up foreign objects on the top of battery.
• At most four batteries in package can be piled up.
• Maintain original packaging and keep labels complete and recognizable.
• Prevent from direct sun exposure, rain, condensation and mechanical damages.
9
4 Tools and Protective Equipment
Before installing, operating, and maintaining the battery, you need to prepare tools and protection equipment to
ensure safety.
Wire stripper Wire cutter Wire crimper Hydraulic plier
FUSED
FUSED
1000V MAX
10A 100m A COM
V ¡
OFF
V
A
A
V
ɏ
Hz
%
Screwdriver Hex key Multi-meter
Insulated gloves Safety goggle Safety shoes
To prevent injury, always wear acid-resistant clothing, PVC gloves, goggles and rubber boots during
installation, operation, and maintenance.

3
Risks of fire
• Do not expose battery to direct sunlight.
• Avoid contact with conductive objects such as wires.
• Keep battery away from fire source, inflammable, explosive and chemical materials.
• Do not dispose of batteries in a fire. The batteries may explode.
Risks of electric shock
• Do not touch battery with wet hands.
• Keep battery away from children and animals.
• A battery can present a risk of electric shock and burns by high short-circuited current.
• Battery installation and wire connection must be operated by professionals.
Risks of damage
• Keep a distance to water source.
• Do not subject battery to high voltage.
• Place battery on a flat surface. Do not place any foreign object on top of battery nor step on battery.
• Battery-connected PCS should have reinforced insulation.
Table 1-1 Responses to Emergencies
Event Description and recommended actions
Leakage Inhalation: leave the contaminated area right now.
• Swallow: induce vomiting.
• Contact with eyes: flush eyes with flowing water for 15 minutes.
• Contact with skin: wash thoroughly with soap and water.
• Immediately seek for medical intervention after taking emergency measures.
Fire Battery may catch fire when heated above 150ႏ.
Please implement the following actions:
•Extinguish fire before the battery catches fire. ABC or carbon dioxide extinguisher is
recommended.
• If the fire is too strong to put out, move battery to a safe place before it catches fire.
•If battery is on fire, evacuate people first before seeking help from professional fire
protection personnel.
•If battery catches fire during charging, turn off the breaker between battery and PCS
when safety can be guaranteed.
Wet battery If battery became wet or has been submerged in water, do not access it. Immediately contact
your distributor for technical assistance.
Damage Damaged battery is dangerous and must be handled with utmost care. They are not usable
for use and could pose a safety threat to people or property. If battery is suspected to be
damaged, stop any operation and return it to distributor.
4
2 Overview
iPack C3.3 is a 3.3 kWh standalone LiFePO4 battery pack. It has a 48V battery module as the main power
supply unit composed of 64 Ah cells in one parallel and 16 serial connect (1P16S). Battery coordinates with
PV, power conversion system (PCS), Grid, DC Breaker and loads in the residential energy storage system.
2.1 Application Scenarios
The typical application scenarios are as shown below.
The energy produced by PV is optimized to
supply loads. The excess energy is used to
charge battery, then export to grid.
Battery powers loads at nighttime when there
is no PV. If battery energy is insufficient, it can
supply loads together with grid.
Junction Box Junction Box
When grid falls, battery and PV can power
loads.
Battery can be charged by grid. Users are
suggested to store energy from grid to battery
when electricity price is relatively lower.
2.2 Product Features
Compared with normal batteries, the battery is characterized with better charging and discharging
performance, longer cycle life and less self-discharging loss. The build-in BMS can monitor battery operation
status and alarm timely to avoid operation out of limit. A maximum of 6 batteries can be parallel-connected
to expand energy and power of energy storage system. Battery realizes communication with PCS via CAN
network port.
• Monitoring:
9
4 Tools and Protective Equipment
Before installing, operating, and maintaining the battery, you need to prepare tools and protection equipment to
ensure safety.
Wire stripper Wire cutter Wire crimper Hydraulic plier
FUSED
FUSED
1000V MAX
10A 100m A COM
V¡
OFF
V
A
A
V
ɏ
Hz
%
Screwdriver Hex key Multi-meter
Insulated gloves Safety goggle Safety shoes
To prevent injury, always wear acid-resistant clothing, PVC gloves, goggles and rubber boots during
installation, operation, and maintenance.
10
5 Installation
It is recommended to install the battery into a cabinet and place it indoor. If you install it outdoor, select a
cabinet with a sufficient IP rating. Build sunshade & rain shelter to avoid direct exposure to sunlight and rain for
outdoor application.
5.1 Inspection before Installation
Before installation, check carefully for any damages on the package and the products and inspect if all
accessories in the list are included. If any part is missing or damaged, please contact your distributor.
Item NO. Part Name Quantity Item NO. Part Name Quantity
1 Standalone Battery 1pcs 5 User Manual 1pcs
2 Bracket 2pcs 6 Quick Guidance 1pcs
3 Screw 4pcs 7 Warranty Card 1pcs
4 Crystal plug 2pcs 8 Accessory List 1pcs
5.2 Battery Orientation
The battery can be installed in any direction except upside down and at most 6 pcs of batteries can be
connected in parallel (up to 6p).
√× ×
√

11
5.3 Wall-mounted installation under Parallel Mode
Junction Box
Battery
No.1
No.3
Connecting plate
No.2
Bracket
No.4
No.5
Expansion Bolt M10*80
No.6
Expansion Tube 6*30
No.7
Screw M4*30
No.8
M5*16 Bolts
No.9
Network Cable A Network Cable B
No.10
No.11 No.12
Negative Cable
No.13
Positive Cable
List
Crystal Head
Iteam1*iPack C3.3 2*iPack C3.3 3*iPack C3.3 4*iPack C3.3 5*iPack C3.3 6*iPack C3.3
No.1 1 2 3 4 5 6
No.2 1 1 1 1 1 1
No.3 2 2 3 3 4 4
No.4 1 1 2 2 3 3
No.5 4 4 6 6 8 8
No.6 8 8 8 8 8 8
No.7 8 8 8 8 8 8
No.8 4 10 14 20 24 30
No.9 1 1 1 1 1 1
No.10 0 1 2 3 4 5
No.11 1 2 3 4 5 6
No.12 1 2 3 4 5 6
No.13 2 4 6 8 10 12

12
5.4 Installation of Battery Box
Punch hole on the wall
2. Confirm the quantity and position of fixing holes, 2 holes per column, the hole
spacing is 120mm; column spacing is 484mm, the hole below is at least 350mm from the ground.
1-2 batteries: 2 column holes;
2-4 batteries: 3 column holes;
5-6 batteries: 4 column holes;
3.This quick guidance is based on 6 batteries.
4. Positioning the hole on the wall, punch hole with impact drill, the diameter
is 12mm, depth is
80-85mm. Press the expansion bolt into the punched hole.
1. Choose a suitable position to place battery on the cement wall or brick wall.
Fix the battery bracket to the wall.
120mm
484mm
ħ12 mm
80-85 mm

13
Fix the inner battery
Place the inner battery on the battery holder and lock it with M5*16 bolts,torque is 4NM.
Fixing bracket connecting plate
Place connecting plate on the bracket and lock it with M5*16 bolts,torque is 4NM.
Fix the outside battery
Place the outside battery on the battery holder and lock it with M5*16 bolts,torque is 4NM.

Junction Box Installation
Punch 8 holes with a diameter of 6mm on the wall where fixed the junction box, the horizontal
hole spacing is 126mm, the vertical hole spacing is 146mm, the depth is 50-55mm, and place
the plastic expansion tube 6*30 in the hole.
Use M4*30 screws to fix the Junction box to the wall through the 8 fixing holes at the bottom of
the Junction box.
ħ
ħ
ħ
ħ6 mm
50-55 mm

Connect the positive / negative inverter cable to the left / right hole of the MCB respectively.
Fix the upper cover of the Junction box to the bottom with self-tapping nails.
Inverter + Inverter - Inverter + Inverter - Inverter + Inverter -
Two Batteries Four Batteries Six Batteries

16
6 Electrical Connection
IPack C3.3 can work in single mode and parallel mode. To make the battery work properly, follow the
instructions below to correctly connect it.
This chapter describes how to make cable and wires, and connect one battery and multiple batteries. If you
have finished-cable and wires already, skip Section 6.1 and 6.2. Otherwise, read 6.1 and 6.2 carefully.
6.1 Power Terminals and Network Ports
The battery provides the following three network ports and two power terminals for electrical connection.
Table 6-1 Pin definition of network ports
Pin No. PCS Link-In Link-Out
1 RS485_B CAN2_H CAN2_H
2 RS485_A CAN2_L CAN2_L
3 NA Ecode_IN+ Ecode_OUT+
4 CAN0_H ISO_GND ISO_GND
5 CAN0_L Master IN Slave IN
6 NA Dry1- Dry1-
7 PCS_WAKE- Dry1+ Dry1+
8 PCS_WAKE+ Syn_Wake In/Out Syn_Wake In/Out
Table 6-2 Power terminals
Terminal Description Specifications Cable Cross-section
+ Positive terminal 1 Max. 120A 25 mm2
- Negative terminal 1 Max. 120A 25 mm2
6.2 Prepare Cables
Before connecting the batteries, prepare cables that meet the requirements of your applications.
!
CAUTION
Unqualified power wires might result in damages to the battery and your power system.
If you make cables on your own, please ensure that the terminals are crimped properly.
Step 1.Make power wires.
Joint Sleeve
Sealing Sealing Nut

17
1. Strip cable sheaths for 20±0.5mm. Insert sealing and
sealing nut along the cable as shown.
Orange is for positive power connection and black is
for negative power connection.
1
2
3
4
2. Insert the copper wires into the joint sleeve.
3. Press connecting part with a hydraulic clamp.
4. Tighten up sealing, sealing nut and joint sleeve.
Step 2.Make Network Cable A.
1.Strip cable sheaths for 15±0.5 mm
first.
Network Cable A
1
2
3
1
8
RJ45 plug
Wire crimper
2.Insert eight wires into an RJ45 plug at one end of
network cable A. Ensure all wires stay well aligned.
3.Crimp the RJ45 plug with a wire crimper.

18
Step 3.Make straight through network cable B.
1. Strip cable sheaths for 15±0.5 mm first.
Network Cable B
1
2
3
1
8
1
8
RJ45 plug
Wire crimper
2. Insert eight wires into RJ45 plugs.
Ensure that the colors of wires stay consistent at
both ends of network cable B.
3. Crimp RJ45 plugs with a wire crimper.
6.3 Connect One Battery
!WARNING
• Before connecting the cables, ensure that the battery is in off mode.
• Wear protection equipment when wiring batteries.
• Ensure all cables are smooth and not twisted.
Keep the battery in off mode and connect it in the following way:
Step 1.Connect network cable.
1. Plug one end of Network Cable A into the PCS port
of the battery and the other end into the network
port of PCS.
2. Insert two terminators (a crystal plug with pin 4 and
pin 5 short circuited) into Link-Out and Link-In
respectively.
Terminator
Step 2.Connect power wires.
1. Use the positive power wire to connect the + port of
battery and PCS.
2. Use the negative power wire to connect the - port of
battery and PCS.
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