Keep your electric bike charged up with this 24-volt, 10-amp currie technologies electrodrivetm rechargeable battery pack. Six- to eight-hour recharge time. Compatible with ezip trailz, ezip coastline, and ezip mountain trailz electric bikes. Ride up to 10 to 15 miles with throttle and 15 to 22 miles with pedal assist. Weighs 16 pounds.