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????? ???? LONG WAY Battery (Kaiying Power & Electric Co., Ltd.) ?????? ???? ???? ???? ??? ?????? 72V 20Ah. ???? ??? ???????? ???????? ??? ????? ????? ????? ?????? ??? ?????? ?????? ?????? ???????? ?????????? ????????? ??????????? ?????????? ?????????? ??????? ?? ????? ?????? 72V 20Ah ?????? ??? ?????? ?????? ?????? ???? ????? ??????. ?? ??? 72 ???? ???? 20 ?????? ???? ??? ???????? ???? ????? ????????? ??????? ??? ???? ?????????? ?????? ??????? ???? ??? ????? ???? ???? ??????? ???????? ??? ???? ?? ????? ???????? ????? ????? ?????? ????? ????????? ????? ????? ??????? ????????. ??? ???? ????? ?????? ??????? ????????? ??? ?????? ???? ?????? ???? ????????? ????????? ???? ??? ???? ????? ???????? ?????????? ?? ????? ???? ?? ?????? ?????? ??????? ???????????? ??? ???????? 72V 20Ah ?? ?????? ??????. ?? ?? ?????? LONG WAY ?????? ????? ?????????