This replacement battery for the Velowave Rover Step-Thru Electric Bike is built with 48V IG Lithium-ion cells, offering a 15Ah, 720Wh capacity, and a max charging current of 5A. Get back on the road today with an improved battery for your electric bike. This new battery is an improvement on the original, offering a longer-lasting charge and faster charging capability. Enjoy consistently reliable performance and maximize your riding potential with an upgraded battery pack