Lithium battery pack can be customized according to customer requirements. Please contact our customer service. Original 24 V 30Ah battery pack 250W 350W 7s3p wheelchair hanging bag lithium battery and 29.4v 2a charger Applicable motor power of battery: 250W 350W 450W 500W Rated voltage: 29.4V Battery capacity: 30Ah Battery size: 130x68x58mm Weight: about 1.2kg Input: 5.5 x 2.1 patch cord Intelligent BMS: temperature abnormal or short circuit or under voltage automatic sleep or over current or double overcharge or double over discharge protection Charging current: 2A CC or CV: charging mode Charging cut-off voltage: 29.4V Discharge cut-off voltage: 24V Discharge temperature: - 20 to 65 C Charging temperature: 0 to 65 C Cycle life: capacity 80 percent after 800 cycles. of lithium battery: 1. The charging standard of 25.2v lithium ion battery charger must be used. 2 no discharge. The voltage of single battery should not be lower than 2.5V. 3. It is strictly forbidden to dismantle the battery, otherwise it will cause short circuit of the battery and cause fire. Battery requirements: 1: you LI-ION battery chargers DC DC 2: charging voltage: 29.4 v 3: Charging current: 4 or less Batteries discharge requirements: 1: Out of 18 lines, 150 mm long, red and black 2: results in line 2.1 socket, 150 mm long 3: Maximum instantaneous current: 60 4: The maximum operating current: 45 5: The product built-in rechargeable battery