E&J JW series Active Battery Balancer Specification Lithium battery active balance energy transfer board Lithium battery active equalizer High efficiency energy transfer equalization Inductive energy transfer equalization board (current 1.2A equalization current, slightly lower precision) Technical Parameters Working voltage 2.2V-4.5V, Li-ion Lipo Lifepo4 LTO Lithium battery universal Working principle, the inductor converts the transfer charge carrier. When the battery error