Max Continuous Discharge Current 30A. Panasonic 21700 4800mah Li-ion LiNiCoMnO2 3.7V Power Cells. Ebike battery 36v 48v 15ah 750w rear rack lithium battery electric bike battery return the battery without reason. Comes with a matching high-quality 2A charger for fast charging. Item Size 450mm/17.7 inches165mm/6.4 inches in width65mm/2.88 inches.