Customized 3S20P rechargeable 11.1v lithium ion battery NCM

Self Design, Free assemble, 100% match client's requirements.
Choose the best NCM 18650/21700 lithium ion cells, build in smart BMS.
The battery is designed for all deep-cycle applications, such as off-grid solar, RV, marine, camping, and backup power systems.

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1.Drop-in replacement for lead acid batteries 
2.Maintenance-free, modular, and lightweight
3.Holds a charge for up to 1 year without a load, and no need for a trickle charger - great for unattended storage
4.Can be wired in series up to 48V and unlimited in parallel
5.Built-in Battery Management System (BMS) protects the cells against excessively high or low voltages, high currents, short
circuits, and excessive heat or cold
6.Protections: high/low voltage; short circuit; high/low temperature


Model Number NOV1250B NOV1280B
Nominal Voltage 11.1V
Nominal Capacity 50ah 80ah
Charge End-off Voltage 12.6V
Discharge End-off Voltage 9V
Charging Method CC-CV
Initial Charging Current Standard Charge   0.2C
Max. Charge  >10℃ 1.0C
0~10℃ 0.2C
Max continious discharge current  50Amps(can be customised)
peak discharge current    100Amps
Main Protection Function Over Charge, Over Discharge, Over current, Short Circuit
Operating temperature charge 0-60℃
discharge -20-60℃
Storage temperature  1 month:-20-45°C
3 months:-20-35°C
6 months: -20-25°C

Details & applications


Grade A

Grade A LiFePO4 cells

6000 cycles

Long cycle life up to 6000 cycles at 80%DOD.


PCM&BMS use the lastest American or Japanese chips.

High Standard

Superb assembly process, high standard test technology, high performance safety.

Environmental Protection

No toxic, no air pollution, good for evironmental protection.


Free maintenance, easy for installation, plug&play.

Reasonable Price

Factory wholesale price&Long time warranty.



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