The HAOQI Leopard Pro electric bike is equipped with a removable battery. You can conveniently remove it from the bike and charge it using the provided charger plugged into a power outlet at home. Ensure to follow the instructions in the user manual and use the dedicated charger for safety and battery longevity. During charging, avoid exposing the battery and charger to moist or overheated environments. If you have any questions during use, you can contact HAOQI's customer service department for assistance.