Battery active equalizer EJ-B1A24S User Manual 1. Overview Battery Active Equalizer (EJ-B1A24S) is a balanced solution for large-capacity series lithium battery packs Management system.The equalizer uses a supercapacitor as a medium to achieve active energy transfer equalization. The equalizer is suitable for 2 to 24 strings of battery packs with voltage acquisition and equalization. The equalizer works for 1A The equalized current is used for energy transfer, and the