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????? Long Way Battery (Kaiying Power & Electric Co., Ltd.) ?????? ?????? ?????? ???? ???? 48 ???? 15 ????? ???????? ??????????. ?? ????? ??? ???????? ????? ?????? ?????? ???? ????? ????? ??????? ??????? ????? ?? ???????? ??????????? ??? ?? ??? ???????? ??????????? ????????? ???????? ??????????? ????????? ??????? ??????????? ???? ????? ?????? ???? ????????? ???? ??? ???????? ????? ???? ????? ???? ???? ????? ??? ???? ?????? ??? ????? ???????. ???? ??? 48 ???? 15 ????? ???? ????? ??????? ???????? ????? ???? ?????? ?????? ????? ??????? ?? ?? ???? ????? ????????? ?? ????? ???????? ????? ????? ???????? (BMS) ??????? ?????? ????? ?????? ????? ??????? ??????? ??? ???? ??????? ?????? ??? ????????. ??????? ?????? ??????? ???? ?? ????? ?????? ????????? ?? ?????? ?????? ?? ?????? ???????? ??????????? ???? ??? ?? ??????? ???????? ?????????? ?????? ?? ?? ???? ???????? ??????????? ??? ?????? Long Way 48V 15Ah ?? ?????? ?????? ?????? ??? ???? ?????? ?????? ????? ????? ??????. ?? ?????? ?????? ???????? ?????? Long Way ???? ????? ?????