BlueSun VC Encube Series User manual
Operation Manual
VC Encube Series
Lithium Battery
Document Version: 01
Publish Date: 2021-06-15
2
Copyright©Hangzhou Vestwoods Technology Co., Ltd. All Rights Reserved.
Without the written permission of the Company, no unit or individual shall excerpt or copy part or all of the
contents of this document and shall not be disseminated in any form.
Attention
The products, services or features you purchase shall be subject to the commercial contract and terms of Hangzhou
Vestwoods Technology Co., Ltd. (hereinafter referred to as Vestwoods). All or part of the products, services or
features described in this document may not be within the scope of yourpurchase or use. Except as otherwise
agreed herein, Vestwoods makes no representations or warranties, express or implied, regarding the contents of this
document.
The content of this document may be updated from time to time due to product version upgrade or other reasons.
Unless otherwise agreed, this document is intended as a guide to use only, and all statements, information and
recommendations contained in this document do not constitute any warranty, express or implied.
Bluesun Solar Co., Ltd.
3
1 Foreword
Overview
This document mainly introduces the product introduction, installation method, use instruction,
precautions, fault treatment and maintenance of lithium ion battery, etc., to provide installation instruction,
use instruction and technical support for on-site installation personnel, users, maintenance engineers and
technical support engineer.
Applicable Readers
This document mainly applies to the following people objects:
Hardware installation engineer
Technical support engineer
Maintenance engineer
Operator
Signs
The following signs may appear in this article, and they represent the following meanings.
Symbol Define Explain
DangerousHazards with a high risk of causing death or
serious injury if not avoided.
Warning Hazards of moderate risk that, if not avoided,
may result in death or serious injury.
Attention Hazards with low risk that may result in mild
or moderate injury if not avoided.
Instructions
Supplementary statements to the main
information in the text.
“Instruction”: Not a security warning
message
4
2 Safety Precautions
2.1 Safety Precations
Before carrying out battery work, you must carefully read the safety precautions and understand the
correct installation and connection method of the battery.
Prohibit to turn it upside down, tilt, or collide.
Prohibit to short-circuit the positive and negative poles of the battery,
Do not place installation tools on the battery during battery installation.
During installation, maintenance and other operations, the battery circuit should be kept
disconnected.
Do not disassemble, squeeze, bend, deform, pierce, or shred the battery without the authorization of
Vestwoods and its authorized dealers.
Do not exceed the temperature range
Do not modify the battery, do not immerse the battery in water or other liquids.
Do notput a battery module into a fire.
Please check the bolts at the connecting end of the battery regularly to make sure the bolts are tight
and not loose.
2.2 Abuse Operation
The battery pack needs to avoid abuse operationsunder the following (including butnotlimited to)
conditions:
Abuse Operation
Protection Description
Reverse connection of positive and negative poles If the positive and negative poles are connected
reversely,
the battery will be directly damaged.
External short circuit If the battery pack is short circuited externally,
the battery will be directly damaged.
3 Overview
5
3.1 Product Features
VC series is a new type of lead-acid replacement lithium battery product developed and produced by
Vestwoods Technology according to the market demand, which can provide reliable power supply for
12V electrical equipment.
VC series is equipped with an intelligent battery management system (BMS), which can effectively
monitor and manage the voltage, current, temperature and other information of the battery. Professional
battery management functions are provided to effectively extend the cycle life of the battery and optimize
the use experience.
●High energy density
Higher volume ratio energy and weight ratio energy.
●Maintenance-free
The battery pack is maintenance-free in the process of using, which can save customers' battery
operation, maintenance testing costs and reduce the frequency of on-site replacement.
●Long cycle life
The battery packlife is 3 times longer than the ordinary lead-acid batteries.
●Excellent temperature characteristic
When charging, the battery working temperature can reach 0℃～＋60℃(recommended using
temperature: +15～＋35℃). When discharging, the battery working temperature can reach -20℃~60℃
（recommended using temperature: 15~35℃）
3.2Products Structure
3.2.1 Dimentions
Battery appearance and dimentions :
Figure 1 Battery appearance and dimentions （mm）
6
Length: 520 mm
Weight: 270 mm
3.2.2 Operation Panel
Battery operation panel display
Height: 220mm
：
Figure 2 Battery operation panel
Functions of battery operation panel：
Table 1 Description of functions
No. Name Description Note
1 Battery negative output Negative terminal M8 mounting bolts
2 Battery positive output Positive terminal M8 mounting bolts
3 Lifting handle Convenient to carry
7
3.2.3 Parameters
Main technical parameters of the battery are shown in the following table:
Table2 Battery Parameters
No. Parameters Specification Note
1 Nominal capacity200Ah
2 Rated voltage 12.8 V
3 Nominal energy 2560 Wh
4 Charging end voltage 14.4 V External charger/controller setting
voltage
5 Limited charging voltage 14.6 V
6 Max. continue charging current 100A
7 Discharge end voltage 10.8 V External charger/controller setting
voltage
8 Limited charging voltage 10 V
9 Max. continue discharge current 100A
10 Allowed operation Temp. range
Charge：0℃~55℃
Recommend Temp. range：15℃~35℃
Discharge：-20℃~60℃
11 Allowed operation humility range
≤95% RH Storage
≤85% RH Operation
12 Storage Temp. range 15℃～35℃
13 IP grade IP65
14 Weight
2 2 kg
15 Shell material ABS
Optional 150A high current
protection board
8
3.3 Basic Function
●Series & Parallel
VC batteries maximum support to use in4series or 4 parallel (capacity≥100Ah versions), parallel is
only used to expand capacity.
●Over/Under Voltage Protection
VC battery support single cell voltage detection and protection, system operation voltage allowed in
10.8~14.4V.
●Over Current Protection
VC battery support charge/discharge current detection and protection, when continue
current exceeded the allowable current range, charge/discharge process will be stopped to
protectcell.
●Temperature Protection
VC battery support cell temperature detection and protection, when the ambient
temperature exceed the operate temperature range, charge/discharge process will be
stopped to protectcell
3.4 Application Scenario
The battery pack is used to provide 12V DC power or connect inverter for AC power, and can be used for
household energy storage, solar energy storage, camping, golfcart, marine and floor machine etc.
The normal working operation diagram of the battery packcan be as shown in the figure below.
9
4 Installation
4.1 Tools Preparation
Use insulated tools to avoid electric shock. If tools without insulation protection are used, it is necessary to wrap the
exposed metal parts with insulating tape.
The following table describes the tools and instruments that may be used prior to the install operation
Table 3 Installation tools
Electric screwdriver Cross screwdriver Torque spanner Claw hammer
Manual forklift Multimeter Protective gloves Safety helmet
Insulated shoes Anti-static gloves Goggles Insulating tape
1. Please choose the site to be used for installation. It is recommended that the ground is flat, the space is
large, and the ventilation is good.
2. Confirm that the battery is in the normal voltage range (12V~13.4V).
3. Connect the battery power cable (the power cables use 25mm² wire diameter). "+" is connected to the
10
positive pole of the electrical equipment, and "-" is connected to the negative pole of the electrical
equipment (before connecting the power line, make sure that the charging device is normally powered
on).
4. Four-string connection:
the "+" of the first battery is connected to the "-" of the second battery through the power line; the "+" of
the second battery is connected to the "-" of the third battery through the power line; the third The “+” of
the battery is connected to the “-” of the fourth battery through the power line; the “-” of the first battery
is connected to the negative electrode of the electrical equipment, and the “+” of the fourth battery is
connected to the positive electrode of the electrical equipment.
5. Four parallel connection mode:
the “+” of the first battery is connected to the “+” of the second battery through the power line; the “+” of
the second battery is connected to the “+” of the third battery through the power line; the third battery
The "+" of the battery is connected to the "+" of the fourth battery through the power line; the "-" of the
first battery is connected to the "-" of the second battery through the power line; the "-" of the second
battery is through the power line Connect the “-” of the third battery; the “-” of the third battery is
connected to the “-” of the fourth battery through the power line; the “-” of the first battery is connected
to the negative electrode of the electrical equipment, and the fourth battery’s “-” "＋" connect the positive
pole of the electrical equipment.
11
4.2 OOBA (out of box audit)
1Move the battery to the location where it was installed.
Battery is heavy, if possible, please use tools to assist handling.
2Use a claw hammer to open the box and check if the items are complete.
3Check the appearance of the battery for any breakages or scratches.
If any damage or scratches are found in the battery, please do not proceed to the next installation. Please
contact Vestwoods Technology or an authorized dealer in time.
4.3 Install Battery
Batteries should be installed by professionally trained personnel. Private installation is strictly prohibited.
Insulated tools should be used during installation to avoid electric shock. If tools without insulation protection
are used, it is necessary to wrap the exposed metal parts with insulating tape.
1Verify that the battery is in the normal voltage range (12V~13.4V)
12
2Connect the battery power line. The outputpositive pole of the battery is connected to the positive
pole of the electrical equipment, and the output negative pole is connected to the negative pole of the
electrical equipment (please ensure that the charging equipment is normally powered on before
connecting the power line).
Pay attention to the polarity of positive and negative battery, do not short/reverse connection.
13
5 Operation Instructions
5.1 Normal Use
When VC battery is used for the first time, the default factory capacity is about30%.
When VC battery is not used for a longtime, it is necessary to recharge the battery and then store it.
5.2 Charging
When the battery power is low, charge it in time. The following requirements should be observed when
charging the battery:
Use the battery only with a standard-conforming charger. The use of substandard charger may
damage the battery, seriouscases may lead to fire, or even explosion.
Try to charge in the ventilated situation.
Before charging, check the appearance of the battery is clean and the cable connection is firm.
5.3 Parallel
When using batteries in parallel, the following requirements should be observed
Parallel modules need to be in the same state, SOC empty or fully charged.
When a single module needs to be used in parallel and does not meet the previous requirement, it is
necessary to measure whether the voltage of the next module is consistent. It is not recommended to
connect in parallel when the voltage difference is greater than 0.5V.
The number of modules in parallel cannot exceed 4.
14
6 Maintenance&Storage&Shipment
6.1 Battery Maintenance
6.1.1 Battery Maintenance Precautions
Insulating tools or wrapping tools are required for battery maintenance.
Do not place any debris on the top of the battery.
Do not use any organic solvent to clean the battery.
Do not smoke or use an open flame near the battery pack.
After the battery is discharged, the battery should be charged in time to avoid affecting the service
life of the battery.
All maintenance work must be carried out by professionals.
6.1.2 Routine Maintenance
When the battery is in use, the following operations should be carried out every month to maintain the
battery:
Check the appearance of the battery and make sure the appearance is clean and free of stains. No
bruising, breaking or cracking around; No liquid leakage phenomenon; Shell without deformation,
bulging phenomenon. If the appearance of the battery is abnormal, contact Weimu Technology and
authorized dealers in time.
Check whether the battery bolt is tight. If the battery bolt is loose, tighten it with an insulating tool.
Check whether the battery cable is in good condition and no aging cracking phenomenon. If there is
any abnormality, timely contact Vestwoods technology and authorized dealers.
6.2 Battery Storage
When the battery is not used for a longtime, the battery should be stored in a clean and dry ventilated
room, the storage temperature is 10℃~ 35℃, and should be fire prevention and heat prevention, avoid
contact with corrosive elements.
If the battery is not used for a longtime, it should be charged every once in a while. Charging
requirements are as follows:
Table 4 Requirements of storage charging
15
Storage temperature Charging interval Charging program
10℃~30℃Every 1 month 1. Charge at 0.2C to 14.4V.
2. Discharge at 0.2C to 10.8V.
3. Charge at 0.2C for 2~3 hours.
0℃~10℃or 30℃~45℃Every half month
6.3 Shipment
Is suitable for the transportan of vehicles, ships and airplanes. During transportan, shading, sun
protecn and civilized loading and unloading should be performed. The box containing the produc
allowed to be transported by any means oransportan. In the process oading and unloading, the
baery should be handled with care to prevenalling, rolling, and heavy pressure. Avoid direct rain and
snow and mechanical impact during transportan.
16
7 Fault Handling
7.1 Emergency
7.1.1 Battery Leakage
If the battery leaks, avoid contact with the leaking liquid or gas. If an individual is exposed to a leak and
has any of the following conditions, please seek medical advice immediately:
Inhaled gas: Please evacuate the leaking environment and seek medical advice at the first time.
Eye contact: flush eyes with running water for 15 minutes and seek medical attention immediately.
Skin contact: Wash contact area thoroughly with soapy water and seek medical advice immediately.
Ingestion of liquid: induce vomiting and seek medical advice immediately.
When the battery leaks, it is strictly prohibited to continue to use, please contact Vestwoods technology or
authorized dealers in time.
7.1.2 Battery Fire
If a battery fire occurs, get away from the battery as soon as possible and evacuate people. Use water to
extinguish the fire if surrounding conditions are available. And after the fire is extinguished, continue to
use a lot of water to water the battery.
After the battery fire, it is strictly prohibited to continue to use, please contact Vestwoods Technology or
authorized dealers in time.
7.1.3 Battery Flooding
If the battery becomes wet or flooded, turn off the car key switch and power off the vehicle. When the
battery is wet or immersed in water, it is prone to leakage. Do not contact the battery directly.
If the battery is wet or flooded, it is strictly prohibited to continue to use it. Please contact Vestwoods or
authorized distributors in time.
7.1.4 Damage Battery
If the battery has been damaged, it is strictly prohibited to continue to use, please contact Vestwoods
Technology or authorized dealers in time.
7.2 Troubleshooting
7.2.1 Unable to discharge
17
1. If the battery is not used for a longtime, it will enter standby mode. If the battery stay in this state
for a longtime and the output voltage is too low, please refer to the following operations for
exception elimination:
Recharge the battery. If the battery can charge normally, it means that the wake-up circuit inside the
battery is abnormal. Please contact Vestwoods or authorized dealers for processing.
Recharge the battery. Use dc power supply to charge battery with small current value, if the battery
cannot be charged normally, please contact Vestwoods or authorized for processing.
2. If the battery is over discharged to under voltage protection, the discharge circle will be opened until
the battery voltage recovered
Recharge the battery. If the battery can charge normally, it means that the wake-up circuit inside the
battery is abnormal. Please contact Vestwoods or authorized dealers for processing.
Recharge the battery. Use dc power supply to charge battery with small current value, if the battery
cannot be charged normally, please contact Vestwoods or authorized for processing.
7.2.2 Charging Abnormal
When the battery cannot be charged, please refer to the following operations for exception exclusion:
Check whether the charger can work properly and whether the mains voltage is normal.
Check whether the battery cable is connected firmly, and there is no disconnection.
If reference to the above operationscannot locate the problem, please timely contact Vestwoods or
authorized dealers for processing.
18
8 Warranty Explain
In addition to the following and the conditions specified in the contractcan be Vestwoods and authorized
dealers for reasonable warranty and maintenance.
1Without the authorization of Vestwoods and authorized dealers, the battery failure caused by
disassembly, maintenance and other operations is not within the warranty scope.
2The battery damage caused by negligence during storage and transportation is not covered by the
warranty.
3The damage to the battery caused by continuous overloading outside the battery's electrical
parameters is not covered by the warranty.
4Without the authorization of Vestwoods and authorized dealers, the battery test without permission
causing adverse consequences is not within the scope of warranty.
5Non-battery problems, due to improper operation and match caused by adverse consequences are not
within the warranty scope.
6The battery damage caused by natural force, force majeure or uncontrollable factors, such as
earthquake, typhoon, tornado, volcanic eruption, flood,lightning, snow, war, etc., is not covered by
the warranty.
7The product serial number is changed, blurred or torn, which is not covered by the warranty.
The final interpretation right belongs to the manufacturer.
19
Bluesun Solar Co., Ltd.
Table of contents
