Battery Equalizer 48V is suitable for 4S battery team, which is 4pcs batteries linked in series.????????? ????? ??? ?????????? ?? ??????? ????? ?????????? ?????? ????????????????? ????? ?????????? ?????? ??? ??? ??????? ??? ?????????????.?? ??? ?????????????????? ????????? ???? ?? ??????????? ????????Regardless of the the objective of the battery p