Green Energy LAR200 User manual

LiFePO4battery
User Manual
Model:LAR200

LAR200（12.8V 200Ah LiFePO4 battery）User manual
Green Energy Scandinavia A/S
Niels Bohrs Vej 2
7100 Vejle
DENMARK
Part 1: product overview
•This manual introduces features, use, precautions, safety warnings, and maintenance
of the LAR200 product.
•LiFePO4 battery has a stable and high output voltage platform, which can effectively
guarantee its output power.
•LiFePO4 battery has higher thermal stability and chemical stability, which can better
guarantee its safety.
•LiFePO4 battery has a long life and low overall cost of maintenance and use.
4085

LAR200（12.8V 200Ah LiFePO4 battery）User manual
M8 terminal(+) M8 terminal (-)
✓The product can widely be used in boats, vehicles and the energy storage industry, to
replace 12V lead acid battery/AGM or Gel battery.
Part 2 : Product features
★Long life, cycle times>8000 times;
★Large current, continuous discharge current up to 250A;
★No maintenance, service life >3 years;
★High security, advanced BMS protection;
★Allowable for series and parallel connection;
★Low self-discharge rate;
★Wide operating temperature range;
★Environmentally friendly & Green energy source;
★Light weight, Easier to transport and Simple operation;
★Built-in Bluetooth, can monitor the battery status instantly through the mobile APP.
*support both IPhone and Android smart phone.*

LAR200（12.8V 200Ah LiFePO4 battery）User manual
Part 3: Safety characters
The product is equipped with an advanced battery management system (BMS), which can
effectively ensure the life and safety of the battery, including:
★Short circuit protection
★Over-current protection
★Over temperature protection
★Over-charge/over-discharge protection
★ABS case reaches V0 flame retardant level, which can better prevent fire accidents
Part 4: Safety warning
Lithium-ion batteries and battery packs exposed to extreme conditions may heat up, catch
fire or explode, and cause serious injury. Be sure to follow the safety warnings listed below:
▲It is forbidden to short-circuit the positive and negative electrodes of the battery [such as
directly connecting the positive (+) and negative (-) terminals with wires or other metal
objects], otherwise the high current and high temperature may cause personal injury or fire;
▲Use qualified and matched LiFePO4battery charger;
▲It is forbidden to pierce the battery with nails or other sharp objects. It is forbidden to hit
the battery with a hammer and step on the battery. It is forbidden to hit and throw the
battery or otherwise subject the battery to strong physical impact;
▲It is forbidden to immerse the battery in water for long period. When it is not in storage, it
should be placed in a cool and dry environment;
▲It is forbidden to use in series, parallel or series and parallel with any other types of
batteries;

LAR200（12.8V 200Ah LiFePO4 battery）User manual
▲Do not connect to alternators or non-smart charging systems;
▲Keep the battery away from children;
▲It is forbidden to use or store the battery near heat and high temperature sources, such as
fires, heaters, etc.;
▲It is forbidden to put batteries on microwave ovens, high-pressure containers or induction
cookers;
▲It is forbidden to use or store the battery under high temperature (such as in direct
sunlight or in a very hot car), otherwise it may cause performance loss, shortened service life
and function failure, and even cause the battery to overheat, catch fire or explode;
▲It is forbidden to disassemble or modify the battery in any way. The battery contains safety
and protection devices. If damaged, it may cause the battery to generate heat, catch fire or
explode;
▲High-quality and suitable specifications of wire and cable should be used for connection;
▲If the battery emits peculiar smell, heat, discoloration or deformation, or any abnormal
phenomenon during use, charging or storage, stop using it immediately;
▲Check whether the battery is damaged, cracked, or corroded before use. If you find any
damage to the battery, stop using it immediately;
▲If the battery leaks and the electrolyte gets into your eyes, please don't rub your eyes and
rinse your eyes with clean water. If necessary, please go to the hospital for treatment
immediately, otherwise it will hurt your eyes.

LAR200（12.8V 200Ah LiFePO4 battery）User manual
Part 5: User manual
1. Bluetooth
After receiving the product, use the mobile phone according to its operating system, select
the corresponding QR code to download and install the Bluetooth APP. client.
When the installation is finished, turn on the Bluetooth function of the mobile phone, open
the APP., press“Search” and click the Bluetooth number corresponding to the bluetooth
code on the product to enter its interface to view the battery status. The interface is as
follows:

LAR200（12.8V 200Ah LiFePO4 battery）User manual
**Note: the battery MUST get a fully charge and discharge cycle then you can get an accurate battery capacity**
2. Check before use
When the customer receives the battery, first check whether the battery is damaged, cracked,
or corroded; connect to Bluetooth, check whether the battery is in normal condition on the
mobile phone APP., and ensure that there is no damage during transportation. If there is any
abnormality, please stop installation and use immediately then notify us.
3. Installation
Before installation, make sure that the cables and terminals are kept clean to avoid any
corrosion, dirt or deposits.
Please confirm whether the battery voltage matches the battery charger and load before
installation.
Select wires, cables and terminals with appropriate specifications and sizes that meet the
standard, and ensure that the positive and negative connections are correct; tighten the
wires, cables and terminals to ensure that they are firmly fixed to reduce the resistance
between the DC terminal and the cable connection.
If the batteries need to be used in series or parallel, please fully charge the batteries before
installation. The maximum number of batteries in series is 4 groups, and the number of
batteries in parallel is recommended to be no more than 10 groups. The allowable number in
series and parallel is as follows:
When there is a necessary to connect the battery in series or parallel, please Fully Charge
the batteries before installation. The maximum number of batteries in series is 4 groups, and

LAR200（12.8V 200Ah LiFePO4 battery）User manual
the number of batteries in parallel is recommended to be no more than 10 groups. The
allowable number in series and parallel is as follows:
Series
connection
Parallel
connection
Series &
Parallel
connection
Battery pack parameter after connected
in series or parallel
Rated
voltage
Universal
voltage
Rated
capacity
Rated
Power
2
/
/
25.6V
24V
200Ah
5120Wh
3
/
/
38.4V
36V
200Ah
7680Wh
4
/
/
51.2V
48V
200Ah
10240Wh
/
2
/
12.8V
12V
400Ah
5120Wh
/
3
/
12.8V
12V
600Ah
7680Wh
/
4
/
12.8V
12V
800Ah
10240Wh
/
5
/
12.8V
12V
1000Ah
12800Wh
/
6
/
12.8V
12V
1200Ah
15360Wh
/
7
/
12.8V
12V
1400Ah
17920Wh
/
8
/
12.8V
12V
1600Ah
20480Wh
/
9
/
12.8V
12V
1800Ah
23040Wh
/
10
/
12.8V
12V
2000Ah
25600Wh
/
/
2S2P
25.6V
24V
400Ah
10240Wh
/
/
3S2P
38.4V
36V
400Ah
15360Wh
/
/
4S2P
51.2V
48V
400Ah
20480Wh
Note：
a、Please full charge the battery before connecting in series and parallel；
b、Green energy don`t recommend the connection excess the table above；
c、Green energy don`t responsible for the connection excess the table above.

LAR200（12.8V 200Ah LiFePO4 battery）User manual
▲Please install the battery in a dry, cool, non-high temperature, well-ventilated
environment.
▲It is forbidden to reverse the positive and negative polarity. Although the battery has
safety protection, it may be damaged.
▲It is forbidden to directly connect the positive terminal and negative terminal of the
battery with any metal objects (such as wires).
Before using the battery for the first time, please fully charge the battery before using it.
Please use a charger suitable for charging lithium iron phosphate. If an inappropriate charger
is used to charge the battery, a fire may occur.
4. Charge
Before charging, make sure that the battery is tightly connected with the wire and cable, and
the charger, and follow the battery charger's operating instructions.
LiFePO4 battery charger parameters are as follows:
Item
Parameter
Charge protection voltage
（N×3.65）V
Charge cut-off current
0.01C（2A）
Suggest charge current
0.2C（40A）
Charge cut-off voltage
（N×3.65）V
**Remarks：N= series connection number；C= battery capacity**
If you use a power supply such as a transformer or solar power for charging, please check
and make sure that the specifications of the charging power supply and the battery match

LAR200（12.8V 200Ah LiFePO4 battery）User manual
before connecting the charging. If it does not match, it may damage the charging power
supply and the battery (for example, the voltage higher than the battery charging voltage
may damage the BMS).
5. Transportation
Individual package and prevent short-circuit;
Do not stack more than 6 layers or upside down;
Maximum transportation temperature does not exceed 65℃;
UN3480 category 9 and must comply with its relevant regulations during transportation
6. Storage
Suggested State of charge(SOC): 30%~50%
Please disconnect the battery from the equipment load before storage to eliminate any
potential load that may be discharged.
The battery should be stored in a cool, dry, ventilated and clean environment, its
temperature should be (-20~65)℃, and its humidity should be (65±20)%
The battery is charged at least once every 3 months to prevent over-discharge.
When removing the battery before using it, please charge the battery fully.
Do not expose the battery to extreme temperatures above 65°C.

LAR200（12.8V 200Ah LiFePO4 battery）User manual
7. Maintenance
Cables and terminals are kept clean and free from any corrosion, dirt or deposits. It can be
wiped clean with a dry cloth.
When conditions permit, please store the battery in an environment with a temperature of
(25±5)℃ and a humidity of (60±15)%.
The battery is stored at (30~50)% SOC.
The battery is charged and discharged according to product specifications.

LAR200（12.8V 200Ah LiFePO4 battery）User manual
8. Troubleshooting
If there are any problems during battery operation, please refer to the following instructions
or contact us for help:
◆When the battery voltage is too low to provide reliable and stable power to the load, please
charge the battery as soon as possible.
◆When the battery temperature is too high or too low, disconnect all connections, and let
the battery rest until the battery cools or warms to room temperature.
◆When excessive current flows through the battery and causes battery failure, disconnect
the load until the battery resumes normal operation.
◆If the battery fails due to a short circuit, please eliminate the short circuit immediately and
the battery will resume normal operation.
◆When the battery voltage drops to 0V, please use an external charging source with
lithium-ion battery activation function to activate the battery.
The following table lists common battery failures and their solutions.
Problem
Solution
Can`t charge or discharge
Check the cable connection
Check voltage
Check the connection between battery
Disconnect the connection or load then
connect again

LAR200（12.8V 200Ah LiFePO4 battery）User manual
The product heats up during the
operation
Current is too high
Battery and loader isn`t connected firmly
Part 6: Spec. of Product
Item
Description
Spec.
1、Cell parameter
1.1
Cell type and material
LiFePO4
1.2
Rated voltage
3.2V
1.3
Rated capacity
100Ah
1.4
Single cell voltage range
（2.5～3.65）V
2、Battery parameter
2.1
Rated voltage
12.8V
2.2
Rated capacity
200Ah
2.3
Rated power
2560Wh
2.4
Configuration
2P4S
2.5
Expected cycle life
>8000cycle，（ 25±3）℃，0.2C rate，80%DOD
2.6
Voltage range
（10.0～14.6）V
2.7
Charge voltage
14.6V
2.8
Work temp.
Charge ：（0 ~ 45）℃；
Discharge：（-20 ~ 60）℃
2.9
Standard charge current
0.2C（40A）
2.10
Max. charge current
250A(cc-cv)
2.11
Standard discharge
current
0.5C（100A）
2.12
Max. continuous
discharge current
250A
2.13
Net. Weight
Approx. 22kg

LAR200（12.8V 200Ah LiFePO4 battery）User manual
2.14
Battery dimension
（450*170*243）mm
2.15
Self discharge rate
≤3.5%/month
2.16
Storage
Temp.：(-20±60)℃，Humidity：(65±25)%RH
Suggest to charge every three month
3、BMS parameter
3.1
Over-charge protection
voltage
（3.75±0.05）V/cell
3.2
Over-discharge
protection voltage
（2.20±0.05）V/cell
3.3
Charge over-temp.
protection
60℃
3.4
Discharge over-temp.
protection
75℃
3.5
Charge low temp.
protection
-5℃
3.6
Max. charge current
250A
3.7
Max. continuously
discharge current
250A
3.8
Max. discharge current
(3 sec.)
500A
3.9
Work temp. range
（-20~80）℃
3.10
Short circuit protection
Yes
3.11
Over-load protection
Yes
3.12
Over-current protection
Yes
3.13
Equipped with
Bluetooth
Yes

LAR200（12.8V 200Ah LiFePO4 battery）User manual
Part 7: Maintenance
1. Disclaimer
GREEN ENERGY / mipv.pro are not liable for any damage caused by the below reasons:
Force majeure includes fire, typhoon, flood, earthquake, war and terrorism.
Intentional or accidental misuse, abuse, neglect or improper maintenance, and use under
abnormal conditions.
Improper installation of peripheral equipment, improper operation, etc. cause malfunction.
Disassemble or modify the product without GREEN Energy's express or written consent.
2. Warranty
GREEN ENERGY / mipv.pro promises that this battery will have no quality problems within 3
years of use according to the product manual.
Within its normal service life, if the battery fails or has quality problems, GREEN ENERGY /
mipv.pro will carry out a warranty.
Causes caused by poor battery maintenance, incorrect charging, reverse polarity, improper
installation, improper storage and overheating, physical damage, fire, frostbite, water
damage, disassemble, modification, or terminal damage are not covered by the warranty.

LAR200（12.8V 200Ah LiFePO4 battery）User manual
3. Warranty Card
Warranty card
Product
LAR250
Product code
Warranty period
year
month
Distributor
Add.:
Customer name
Purchase date
Customer add.
Contact No.
Warranty terms:
1. Within three months from the date the product is sold, if there is a
performance failure, the product itself and the outer packaging must be intact,
and the product of the same model can be replaced, except for man-made
damage.
2. The product is guaranteed for three years from the date of sale, and the
accessories are not covered by the warranty.
3. The warranty service is only valid under normal use.
4. All human-made damage, self-disassemble or modification, improper use and
appearance damage, etc. are not covered by the warranty.
5. The product warranty card is required during the warranty period. If this card is
not provided or the card is altered privately, the company has the right to refuse
the warranty.