Description Product Features Extremely Durable: Battery powered, ultra-durable and long-lasting. Backup Battery: Can be used as a backup battery charging cable for your phone to show the battery level. See clearly: It has the characteristics of wide compatibility, ultra-low power consumption, high security and so on. Original 24V 58Ah battery pack 250W 350W 7s3p wheelchair bag lithium battery + 29.4v 2a charger Battery applicable motor power: 250W 350W 450W 500W Rated voltage: 29.4V Rated capacity: 58ah Battery size: 210*70*40MM Weight: about 1.2 kg Input: 5.5*2.1 jumper Output: 16 lines length 150mm Smart BMS: abnormal temperature/short circuit/under-voltage automatic sleep/over-current/double overcharge/double over-discharge protection Charging current: 2A CC/CV: Charging mode Charging cut-off voltage: 29.4V Discharge cut-off voltage: 21V Discharge temperature: - 20 to 65C Charging temperature: 0 to 65C Cycle life: capacity 80% after 800 cycles. Lithium battery description: 1. The 29.4v lithium-ion battery charger charging standard must be used. 2 No secretion. The voltage of a single battery should not be lower than 2.5V. 3. It is strictly forbidden to disassemble the battery, otherwise it will cause a short circuit of the battery and cause a fire. Note: Please select the plug you need when purchasing. If not specified, it will be sent according to the plug-in in the picture. Shipping list: XT60 plug battery*1 charger