RUiXU RX-LFP48100 User manual

Rechargeable Lithium battery
Operation and Maintenance manual
Version: V1.1

Description
This manual describes in detail the requirements and procedures for safe installation and operation
of RUIXU lithium battery pack. Please read this manual carefully, only qualified persons are allowed to
install, operate and maintain the system, otherwise it may cause product damage or personal safety risks.
Any actions against safety operation, or do not follow rules of this manual and limited warranty letter, will
void warranty and qualification of this product. Meanwhile, the manufacturer will be not responsible for the
product damage, property damage, personal injury or even death.
The information contained in this manual is accurate when it’s issued. RUIXU reserve right to change
specification (such as optimization, upgrade or other operations) without prior notice, please always view
the latest document via QR code on the label.
In addition, please noted that the diagrams/schematics in this document are used to help understand
system configuration and installation instructions, which may be different from the actual items at the
installation.

Version: V1.1 Page 1 of 28
Content
1. Information...........................................................................................................................................................2
1.1 Validity..........................................................................................................................................................2
1.2 Target Group ...............................................................................................................................................2
1.3 Levels of warning messages ....................................................................................................................2
1.4 Symbol Description ....................................................................................................................................3
1.5 Abbreviation Description............................................................................................................................4
2. Safety.....................................................................................................................................................................5
2.1 Safety precautions......................................................................................................................................5
2.2 Safety instructions......................................................................................................................................5
2.2.1 Safety gear.......................................................................................................................................6
2.2.2 Emergency safety measures.........................................................................................................6
2.2.3 Other Tips.........................................................................................................................................7
3. Product Overview...............................................................................................................................................8
3.1 Introduction..................................................................................................................................................8
3.2 Features.......................................................................................................................................................9
3.3 Specification..............................................................................................................................................10
3.3.1 Dimension ......................................................................................................................................10
3.3.2 Parameters.....................................................................................................................................10
3.3.3 Panel Interface ..............................................................................................................................11
3.4 Protection...................................................................................................................................................14
4 Installation...........................................................................................................................................................16
4.1 Preparation................................................................................................................................................16
4.1.1 Safety Compliance........................................................................................................................16
4.1.2 Environment...................................................................................................................................16
4.1.3 Tools................................................................................................................................................16
4.2 Inspection ..................................................................................................................................................17
4.2.1 Unpack precautions ......................................................................................................................17
4.2.2 Scope of delivery...........................................................................................................................17
4.2.3 External cable kits.........................................................................................................................18
4.3 Start Installation........................................................................................................................................19
4.3.1 Remainder......................................................................................................................................19
4.3.2 Procedures.....................................................................................................................................19
5. Cable connection and commissioning .......................................................................................................20
5.1 Get battery ready......................................................................................................................................21
5.2 Grounding cable connection...................................................................................................................21
5.3 Communication cable connection..........................................................................................................22
5.4 DC power cable connection....................................................................................................................23
5.5 Connecting with inverter..........................................................................................................................23
5.6 Commissioning .........................................................................................................................................25
5.7 Switch off battery......................................................................................................................................25
6. Transport, Storage ...........................................................................................................................................27
7. Disposal of battery...........................................................................................................................................27
Appendix I...............................................................................................................................................................28

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1. Information
1.1 Validity
This document is valid for: RX-LFP48100 Battery Pack.
1.2 Target Group
This document is intended for qualified persons and operators. Only qualified persons are allowed to
perform the activities marked in this document with a warning symbol and the caption "Qualified person".
Qualified persons must have the following skills:
⚫Knowledge of how lithium iron phosphate batteries work and are operated.
⚫Knowledge of how an energy storage system (including PV/battery/hybrid inverter, MPPT, Meter,
Distribution box etc.) works and is operated.
⚫Knowledge of local applicable connection requirements, standards, and directives.
⚫Training in the installation and commissioning of electrical devices, batteries.
⚫Training in how to deal with the dangers and risks associated with installing, repairing and using
electrical devices, batteries.
1.3 Levels of warning messages
The following levels of warning messages may occur when handling the product
Indicates a hazardous situation which, if not avoided, will result in death or serious injury.
Indicates a hazardous situation which, if not avoided, could result in death or serious injury.
Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury or product
permanent damage.

Version: V1.1 Page 3 of 28
Indicates a situation which, if not avoided, can result in property damage or product not work or
accelerated product damage
1.4 Symbol Description
1.4.1 Symbols on products label
Label
Definition
Beware of electrical shock
Do not place the battery within children/pet touchable area.
Do not place the battery near heat source and flammable material
Do not expose the battery to direct sunlight, rain and snow.
Do not short circuit the battery
The certificate label for Safety by TÜV Rheinland
The UL1973 certificate label for Safety by Intertek
The certificate label for European EMC directives
The certificate label for U.K EMC directives

Version: V1.1 Page 4 of 28
Recycle label
WEEE designation
1.4.1 Other symbols
Label
Definition
Indicates activities that can only be performed by qualified
persons
Grounding point
1.5 Abbreviation Description
Abbreviation
Definition
Battery/battery pack/battery module
Single RX-LFP48100 rechargeable lithium iron phosphate
battery pack including cells, BMS and enclosure etc.
Battery system/cluster
Multiple RX-LFP48100 battery pack connected in parallel with
power, communication and grounding cables and installation
auxiliaries.
BMS
Battery management system
Electronical Unit to ensure lithium cells’ safety and display
information or control the battery work mode.
SOC
State of charge
The battery state of charge refers to the percentage of the
remaining capacity and rated capacity of the battery.
SOH
State of health
The battery health status refers to the percentage between the
full charged capacity and the rated capacity of the battery.
DIP switch
Dual in-line package switch

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2. Safety
2.1 Safety precautions
Explosion risk
•Do not impact the battery with heavy objects.
•Do not squeeze or pierce the battery pack.
•Do not throw the battery pack into the fire.
Fire risk
•Do not expose the battery pack to the condition over 80°C.
•Do not put the battery near a heat source, such as a fireplace.
•Do not expose the battery pack to direct sunlight or raining.
Electric shock risk
•Do not allow non-qualified person to disassemble the battery pack.
•Do not touch the battery pack with wet hands.
•Do not expose the battery pack to moisture or liquid environment.
Damage risk
•Do not short-circuit or reverse connect the battery.
•Do not use chargers or charging devices unapproved by the manufacturer to charge the battery.
•Do not mix batteries from different manufacturers or different kinds, types or brands.
2.2 Safety instructions
The battery has been designed and tested in accordance with international (such as UL, IEC, UN38.3 etc.)
safety requirements. However, Due to various factors during the whole lifetime process, RUIXU cannot

Version: V1.1 Page 6 of 28
guarantee absolute safety, in order to prevent personal injury and property damage and ensure long-term
operation of the battery, please do read and following the below section carefully to operate the battery
and handle emergency situations.
2.2.1 Safety gear
It is required to wear the following safety gear when installing and handling the battery pack.
Insulated gloves Safety Glasses Safety Shoes
2.2.2 Emergency safety measures
Water invasion
Please cut off the AC power supply of the system first and then disconnect all switched under the
premise of ensuring safety.
Electrolyte or gas leakage
If the battery pack leaks electrolyte, avoid contact with the leaking liquid or gas. If one is exposed to
the leaked substance, immediately perform the actions described below.
•Gas Inhalation: Evacuate the people in the contaminated area and seek medical aid immediately.
•Eye Contact: Flush your eye with clean and flowing water for 15 min, and seek medical aid
immediately.
•Skin Contact: Thoroughly rinse the exposed area with soap and water to be sure no chemical or
soap is left on them, and seek medical aid immediately.
•Ingestion: Induce vomiting, and seek medical help immediately.
In case of fire situations, please use carbon dioxide fire extinguisher rather than liquid to put out fires.

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2.2.3 Other Tips
•All the product are strictly inspected before shipment, please contact us for replacement if you notice
there’s any defectives such as swelling.
•Do not disassemble batteries and components, otherwise the manufacturer will not be responsible for
any damage caused by unauthorized disassembly or repair.
•Do enable the battery to be safely grounded before use to make sure the system in safe and normal
operation.
•Please ensure that the electric parameters of these devices are compatible mutually before
connecting the battery to other devices.
•Please take the environmental factors into careful considerations to ensure that the system can work
in a suitable condition as the environment and storage methods have a certain impact on the service
life and reliability of this product.

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3. Product Overview
3.1 Introduction
The RX-LFP48100 battery is designed for residential application and works as a storage unit in the
photovoltaic system. It is a 48V Li-ion battery storage system, with BMS inside itself. It could be
operated in both on-grid, back-up and off-grid modes with compatible inverters. Below is the general
schematic of an ac-coupled system.
This electrical connection in this diagram is only for illustration, please follow the Manual suggestions
of related devices and operate in accordance with locally applicable connection requirements,
standards, and directives.

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3.2 Features
•Highest safety, battery is made from LiFePO4 chemistry and comply with highest international safety
and transport standard.
•Modular and flexible, support up to 32 batteries connect together to expand the system energy.
•Build-in pre-charge circuit to avoid rush current when connecting with different inverter/chargers.
•Automatic dynamic addressing function when connected multiple batteries together.
•Rapid shut down function for North American market.
•Support a maximum of 96% DOD under off-grid and back-up application
•Built in BMS provide warning and protection functions including over-discharged, over-charged, over-
current, short-circuit and high/low temperature.
•LiFePO4 as cathode material and automatic balancing function to meet long cycle life
•Compact size and light weight for easy installation and maintenance.
•Multiple installation bracket to adopt with different customers’ requirement.
•CAN/RS485 port for external communication and upgrade the BMS firmware.

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3.3 Specification
3.3.1 Dimension
3.3.2 Parameters
Items
RX-LFP48100
Rated voltage
51.2V
Max. voltage range
44.8~57.6V, Shipping voltage>51.2V
Charge voltage
56.0V
Float charge voltage
54.6V
Low voltage cut-off
44.8V
Nominal energy
5.12KWh
Usable energy
4.92kWh
Nominal capacity
100Ah
Dimension
482*133.5*460mm (18.9*5.2*18.1 inch)
Weight
~46kg (101lb)
Standard charge current
≤50A
Max. charge current
70A
Standard discharge current
≤50A
Max. discharge current
100A (initial temp. ≤35℃)
Peak discharge current
101~119A@5mins | 120~200A@15S
Communication
RS485 /CAN

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Max parallel number
32pcs
Operation temperature 1
Charge: -5~50℃ Current≤0.05C @T≤0℃
Discharge:-10~50℃
Storage temperature
0℃<T<30℃
＜6 months
-10℃<T<45℃
＜3 months
Recommended environment
15~35℃, 5~75%RH
The optimum operating temperature range is from 15°C to 30°C, Frequent exposure to the harsh
temperatures may worsen the performance of the battery pack and cycle life.
3.3.3 Panel Interface
No.
Items
Usage description
Remark
A
Handles
For handling, intallation and disasembly of battery
B
Grounding
Used to connect battery with ground
C
Positive terminal
Used to connect the inverter/charger
D
Dry contact
1 channel input signal
2 channels output signal
E
Reset
Used to reset the BMS
F
M/S
Used to indicate the module is Master or Slave
battery
ON: Master battery
OFF:Slave battery
G
Link IN
Link OUT
For internal and external communication

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H
ADD
Used to set the RS485 baud rate and inverter
protocol choosing
I
RUN
Used to show battery is in running status when
lighting or flashing
J
ALM
Used to show battery Alarm/Protection status
K
SOC
Used to show battery real-time SOC
L
Power switch
Used to Power on/off battery
M
Negtive terminal
Used to connect the inverter/charger
N
Mounting ear
Used to fix with rack or cabinet
3.3.3.1 D: Dry contact
PIN
Type
1
Passive INPUT signal
Rapid Shut Down function for US
2
3
NC Output1, Charge enable/disable signal
4
5
NC Output2, discharge enable/disable signal
6
3.3.3.2 G: Link IN / Link OUT
Port
Pin No.
Definition
Remarks
Link IN
1
RS485-B1
1.Used to connect with
external devices to establish
communication.
2.Used to connect with upper
battery pack Link OUT.
2
RS485-A1
3
SGND
4
CAN-H
5
CAN-L
6
SGND
7
RS485-A1
8
RS485-B1
Link OUT
1
RS485-B2
Used to connect with
downward battery pack Link
IN.
2
RS485-A2
3
SGND
4
CAN-H
5
CAN-L
6
SGND
7
RS485-A2
8
RS485-B2
The BMS inside the battery pack will automatically terminate BOTH end of CANBUS pins, DO NOT
insert the 120Ω terminator again.

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3.3.3.3: ADD (DIP addressing)
DIP
Remarks
RS485 baud rate
Undefined
Protocol
1
2
3
4
5
6
7
ON: 115200
Reserved for multiple cluster
parallel and other future
function
0
0
Protocol ID1
OFF: 9600
1
0
Protocol ID2
Keep all battery the
some setting
Keep default setting
0
1
Protocol ID3
1
1
reserved
Note: only master battery needs to set the Protocol ID, keep all slave battery default setting.
Protocol ID
CANBUS Connection
RS485 Connection
1
Victron/SMA/Studer Innotec/Sofar
Voltronic/RCT/MPP/Alpha
outback
2
Sol-Ark/Solis/Goodwe/Deye/Growatt/SAJ/LUXPOWER
Megarevo/INVT/Sermatec/TBB/MUST/Sunsynk
3
Schneider
Fail to follow the DIP switch setting will cause the communication fault between battery and inverter, for
more detail setting with different inverter/charger, please contact your supplier or RUIXU for
consultation.
3.3.3.4RUN/ALM/SOC
Mode
Normal/Alar
m/Protectio
n
RUN
ALM
LED indicator
description
●
●
●
●
●
●
Shutdown
Dormancy
OFF
OFF
OFF
OFF
OFF
OFF
ALL OFF
Standby
Normal
FLASH1
OFF
According to battery state of
charge
Standby
Warning
FLASH1
FLASH3
Low voltage
Charge
Normal
ON
OFF
According to battery state of
charge (highest SOC LED:
FLASH2)
All alarm
except the over
charge
Warning
ON
FLASH3
Over-current
OFF
ON
OFF
OFF
OFF
OFF
Stop charging
Discharge
Normal
FLASH3
OFF
According to battery state of
charge
Warning
FLASH3
FLASH3
Under
voltage
OFF
FLASH3
OFF
OFF
OFF
OFF
Stop charging

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Over
current,
short circuit
OFF
ON
OFF
OFF
OFF
OFF
Stop charging
Temperat
ure
Protection
OFF
ON
OFF
OFF
OFF
OFF
Stop
charging/disch
arging
Failure
Cell failure
NTC failure
Sensor
failure
MOS failure
Charger HV
failure
OFF
ON
OFF
OFF
OFF
OFF
Stop
charging/disch
arging
FLASH Type
ON
OFF
FLASH1
0.25S
3.75S
FLASH2
0.5S
0.5S
FLASH3
0.5S
1.5S
3.4 Protection
Items
Description
Remark
Charge End
Cell/PACK high-
voltage
The BMS will stop charging if any cell or PACK voltage reach
the protection value and it will be auto-released only when both
Pack and cell voltage back to the release voltage range or there
is efficient discharge current
Discharge End
Cell/PACK low-
voltage
The BMS will stop discharging if any cell or PACK voltage is
under the protection value and it will be released only when all
the cell voltage back to the release voltage range or there is
efficient charge current
Can Automatic recovery.
Please charge timely,
otherwise it may be in
Low-power mode to be
over-discharged.
High temperature
The BMS will stop charging or discharging or both if any
cell/environment/MOS temperature is beyond the range.
Automatic recovery
Low temperature
The BMS will stop charging or discharging or both if any
cell/environment/MOS temperature is under the range.
Automatic recovery
Charge over-current
The BMS will stop charging when the charging current is higher
than the protection value. And it will release from the protection
when the system delays time is met.
Automatic recovery. If
locked after three
consecutive times,
manual intervention is
required.
Discharge over-
The BMS will stop discharging when the discharging current is
Automatic recovery. If

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current/ Overload
higher than the protection value. And it will release from the
protection when the system delays time is met
locked after three
consecutive times,
manual intervention is
required.
Short-
circuit/Reversed
Short-circuit and Reversed polarity protection happened
Charge to release
Manual reset
Temperature, Voltage,
Current sensor failure
Enter the failure mode, manual intervention is required no
charging and discharging.
Manual intervention
dormancy mode
After reaching a certain condition, it will be in the dormancy
mode
Recoverable
Please re-charge the battery via solar, grid/generator or other energy source within 24h if the battery is over
discharged.
Manually short-circuit and reverse the battery will void the warranty.

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4 Installation
4.1 Preparation
4.1.1 Safety Compliance
The system installation must be finished by qualified person(s), During the whole installation process,
please strictly follow the local safety regulations and related operating procedures.
4.1.2 Environment
The operating environment shall meet the following requirements:
Category
Description
Working temperature
-10℃-50℃(maximum operating range)
15℃-30℃ (optimal temperature)
Relative humidity
5%~90%, No condensation
Altitude
<3000m
Safety requirement
•Do not expose the battery to direct sunlight, rain and snow.
•Do not place the battery within children/pet touchable area.
•Do not place the battery near heat source and flammable material
•Do not place the battery in a closed place where the ventilation is not
available.
•Do not drop, deform, impact, cut or spearing with a sharp object.
•Do not put heavy things on battery.
•Do not disassemble the battery without Manufacturer's permission.
•No conductive dust and water or other liquid to contact battery.
•Follow the emergency measure if there is water invasion or electrolyte
and gas leakage.
•Contact your supplier within 24 hours if any product failure happens.
4.1.3 Tools
Tools
Screwdriver (slot, cross)
Multi-meter
Wrench
Clamp meters
Diagonal pliers
Insulating tape
Needle nose pliers
Thermometer (observe the installation
environment)
Clamping pliers
Anti-static bracelet
Wire stripper
cable ties

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4.2 Inspection
4.2.1 Unpack precautions
⚫Please load and unload it in accordance with the specified requirements to prevent sun and rain when
you receive the equipment.
⚫Please check and confirm the goods (such as quantity, appearance, etc.) according to the "scope of
delivery " before unpacking.
⚫Do light take and put during unpacking process to protect the surface coating of the object;
⚫Please record and feedback to the manufacturer if the inner packing is damaged after unpacking.
4.2.2 Scope of delivery
General materials
Battery Pack *1pcs Manual *1pcs Warranty document *1pcs
Optional materials
Type
Matirial detail
Qty.
Rack mounted kits
(Packed with
general materials)
A: Battery to Busbar positive cable(4AWG 800mm)
1pcs
B: Battery to Busbar negetive cable(4AWG 800mm)
1pcs
C: Battery to battery grounding cable(300mm)
1pcs
D: Battery to battery communication cable(250mm)
1pcs
WARRANTY
CARD

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4.2.3 External cable kits
Cables connected to inverter or junction box belongs to an External Cable kits, NOT include in battery
carton. Customers need buy it separately, the information are as below.
Type
Detail
Qty.
External bus cable
（2000mm）
2pcs
Grounding cable
1pcs
Inverter
communication
cable
(1 out of 3)
1pcs
Version I(CAN)：
Pin 4
Pin 4
Pin 5
Pin 5
Battery side pin
Inverter side pin
Version II(CAN)：
Pin 4
Pin 7
1pcs
Pin 5
Pin 8
Pin 6
Pin 3
Version III(RS485)：
Pin 1
Pin 3
1pcs
Pin 2
Pin 5
Pin 3
Pin 8
For inverter communication PIN definition detail, please check Appendix I