36V 13AH Electric Lithium Ebike Battery LED w/ Rear Rack Kit for 350W 500W 750W

Battery Model: 36V, 13Ah(10S6P). Nominal Capacity (AH): 13AH. Waterproof and Solid Aluminium alloy Case. Lock with Keys securely locks the mount on bike rack. Model: R006 Rear Rack Carrier Li-ion E-bike Battery.

eBay