48V 13AH 36V 15AH 10ah 1000W 750W 500W Battery Downtube Electric Bicycle E-bike. 48V 13Ah hailong3 battery for 500W 750W max 1000W motor. Included: 1x 48V 13AH lithium battery; 1x 54.6V, 2A battery Plug，2 keys, mounting plate.
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