4S 12V Active lithium Equalizer Battery balancer

4S battery balancer 4S battery balancer dimension

The Battery Balancer is a mutual energy transfer system with a high-frequency pulse working method. It is widely used for lithium-ion, lead-acid, NiMH batteries, and lifepo4 batteries. The primary function of a battery balancer is to balance the voltage of the batteries. The battery balancer helps you improve the performance of your battery pack!

QNBBM 4S Active Battery Balancer for Lithium Lifepo4 Li-ion LTO battery packs.

1. Suitable for 3.2V Lifepo4 cells, 3.7V rated Li-ion Li-NCM Li-polymer cells and LTO cells.
2. No limitation for capacity, valid for 1000AH+.
3. 24 hours automatically dynamic equalization.
4. Keep voltage difference within 10-20mV after balanced.
5. Prolong lifespan two times.
6. Keep the cells in an excellent and healthy state.

Specifications of 4S Battery Balancer:

Item	Parameter
Battery capacity limited	Unlimited
Battery count limited	2S~unlimited At least balance 2 cells
Battery type	Lifepo4, liMnO4, LTO, AGM, Gel
Working voltage	2V~5V (2V lead-acid battery and lithium battery) 4V~9V (6V lead-acid battery) 9V~25V (12V lead-acid battery)
Power consumption	<50mW
Balance method	Energy transfer & Dynamic
Voltage difference after using the balancer	<10mv <30mv (12V lead-acid)
Voltage difference VS Balance current	300mV-1A; 1V-3A
Working efficiency when balance current is 1A	>94%
Operating temperature	-40℃-80℃
Storage temperature	-40℃~100℃
BMS limited	Can work with BMS Or work independently