BiXPower 24V 12Ah (288 Watt-hour) High Capacity Light Weight Lithium Ion Electric Bicycle E-Bike Battery Pack -BiXPower BX2493H High capacity and light weight: 12Ah @ 24V or 288 Watt-Hour capacity. Weight is only 5 pounds. High Durability: Firm ABS plastic casing and water-resistant . The internal pack is stabilized by braces. High quality: made with premium Panasonic Lithium Ion cells. Built-in PCB protection to prevent short circuit, over-current, over-heat, over-charge, over-discharge. The internal pack is stabilized by braces that can avoiding mechanical accidents caused by vibration. Cautions: All batteries contain energy and should be used, stored, and disposed of in an appropriate manner.This battery is for professional users with advanced electric knowledge only. We are not responsible for any damages or losses caused by using the battery pack incorrectly. This battery is designed for independent use only. Please do not connect this battery directly with any other batteries, neither in serial nor in parallel.