Battery Energy Storage System 6KWh 48V(51.2) 120Ah LiFePO4 for
◆ Wall mounted;
◆ High safety LiFePO4 battery;
◆ Long cycle life (≥4000cycles)
◆ Advanced High/Low-temperature cycle performance
◆ Intelligent LED & LCD display;
◆ With RS485; CAN communication optional;
◆ Support multi-battery modules in parallel;
◆ Support WIFI communication & cloud platform via APP;
2. Battery Specification
|Nominal energy||6.144 KWh|
|Operation temperature(cells temperature)|
Normal charging: 57.6V;
Float Charging: 55.2V
|Max. charging current||120A|
|End discharging voltage||43.2V|
|Max. discharging current|
|Battery module weight||70kg|
|Transport standards||Meet UN38.3|
|Self-discharge rate||≤2% per month|
|Storage Temperature & Humidity Range||-10~30℃, 45%~85%RH|
3. BMS Function
|Over charge||Over-charge alarm for each cell||3.55±0.03V|
|Over-charge protection for each cell||3.75±0.03V, Delay time:1s|
|Over-charge release for each cell||3.40±0.03V|
|Over-charge alarm for total voltage||56.8V±0.5V|
|Over-charge protection for total voltage||60.0V±0.5V, Delay time:1s|
|Over-charge release for total voltage||54.4V±0.5V|
|Over-charge release method||Under the release voltage|
|Over discharge||Over-discharge alarm for each cell||3.00±0.03V|
|Over-discharge protection for each cell||2.70±0.03V, Delay time:1s|
|Over-discharge release for each cell||3.10±0.03V|
|Over-discharge alarm for total voltage||48.0V±0.5V|
|Over-discharge protection for total voltage||43.2V±0.5V, Delay time:1s|
|Over-discharge release for total voltage||49.6V±0.5V|
|Over-discharge release method||Charge to recovery|
|Over current||Charge over current alarm||165±5A|
|Charge over current protection||180±5A, Delay time:5s|
|Charge over current release method||Auto release after 1min；|
|Discharge over current alarm||165±5A|
|Discharge over current protection||180±10A, Delay time:1s|
|Over current release method||Auto release after 1min|
|Charge over temperature alarm||50±3℃|
|Charge over temperature protection||55±3℃|
|Charge over temperature release||45±3℃|
|Discharge over temperature alarm||60±3℃|
|Discharge over temperature protection||65±3℃|
|Discharge over temperature release||55±3℃|
|Charge under temperature alarm||5±3℃|
|Charge under temperature protection||0±3℃|
|Charge under temperature release||5±3℃|
|SOC||LOW SOC Alarm: 10%|
Battery information display:
Voltage, Power, SOC, Cycles, Temperature, Residual energy,
|Communication||with RS485; Can-bus;|
|monitoring||WIFI, poll all of the WiFi enabled batteries on the same
|Series & Parallel connection|
Prohibit serial connection;
Support max. 8pcs in parallel.
4. Product pictures
6. Transportation & Storage
* Based on the character of cell, proper environment for
transportation of LiFePO4 battery pack need to be created to
protect the battery.
* Battery should be stayed in the warehouse 15℃~35℃ where is dry,
clean, shade, and well-ventilated.
* The battery should be stored in 50% SOC during transportation.
* The battery need to be charged every 6 months if out of use
* Keep the battery against dropping, turning over and serious
stacking during loading
7. Warning & Tips
Please read and follow the specification and user manual before use
the battery. Improper use may cause heat, fire, rupture, and damage
or capacity deterioration of the battery. SHENZHEN TOPBAND BATTERY
CO., LTD. shall not be responsible for any accidents caused by the
usage without following our specification.
² The battery must be far away from heat source, high voltage, and
avoid to be exposed in sunshine for long time.
² Never throw the battery into water.
² Do not put the battery in a charger or equipment with wrong
² Never connect the positive and negative of battery with metal.
² Avoid excessive physical shock or vibration. Don't hit, fall,
stamp on the battery.
² Without the permission of the manufacturer and guidance,
forbidden to remove or to assemble the battery
² Do not use the battery mixed with other different manufacturer,
type, or model batteries.
² Keep the battery against high temperature. Otherwise, it will
cause battery heat, get into fire or lose some function and reduce
² When battery run out of power, please charge your battery timely
² Please use the matched or suggested charger for this battery.
² If battery emits peculiar smell, heating, distortion or appears
any abnormity during working or storage, please stop using and take
it out from device.
² If the battery leaks and get into the eyes or skin, do not wipe,
instead, rinse it with clean water and see doctor immediately.
² Please keep it far away from children or pets.
² Do not put disuse battery into a fire or water.
² It is strictly prohibited any series between the battery packs.
Any requirements on serials connection, please contact TOPBAND for
8. Operation instruction
Charge and discharge
1. Charging current: Do not surpass the largest charging current
that specification stipulated.
2 .Charging voltage: Do not surpass the highest limited voltage
that specification stipulated.
3 .Charging temperature: Within temperature scope that
4. Charge with constant current, then with the constant voltage, no
reverse charge, which is dangerous
5. Special notes: Short time over discharge or over charge doesn't
affect the use of the battery, but for a long period of time over
discharge or over charge can cause the function of the battery
fail, or the battery can't use permanently and appear serious
safety hazards. Please follow the recommended floating model
parameters when it needs long time floating. When the Battery not
in use for a long time, it can also discharge because of its own
self-discharge characteristics, to prevent the occurrence of over
discharge, battery should maintain a certain capacity; maintain the
voltage at 50% state of SOC.
9. Other Chemical Reaction
Because batteries utilize a chemical reaction, battery performance
will deteriorate over time even if stored for a long period of time
without being used. In addition, if the various usage conditions
such as charge, discharge, ambient temperature, etc. are not
maintained within the specified ranges, the life expectancy of the
battery may be shortened or the device in which the battery is used
may be damaged by electrolyte leakage. If the discharge time is
much shorter than the normal after full charged, even battery is
charged correctly, and this may indicate it is time to change the