Lithium battery pack can be customized according to customer requirements. Please contact our customer service.<br> Original 24 V 30Ah battery pack 250W 350W 7s3p wheelchair hanging bag lithium battery + 29.4v 2a charger<br> Applicable motor power of battery: 250W 350W 450W 500W<br> Rated voltage: 29.4V<br> Battery capacity: 30Ah<br> Battery size: 130*68*58mm<br> Weight: about 1.2kg<br> Input: 5.5 * 2.1 patch cord<br> Intelligent BMS: temperature abnormal / short circuit / under voltage automatic sleep / over current / double overcharge / double over discharge protection<br> Charging current: 2A<br> CC / CV: charging mode<br> Charging cut-off voltage: 29.4V<br> Discharge cut-off voltage: 24V<br> Discharge temperature: - 20 to 65 C<br> Charging temperature: 0 to 65 C<br> Cycle life: capacity 80% after 800 cycles.<br> of lithium battery:<br> 1. The charging standard of 25.2v lithium ion battery charger must be used.<br> 2 no discharge. The voltage of single battery should not be lower than 2.5V.<br> 3. It is strictly forbidden to dismantle the battery, otherwise it will cause short circuit of the battery and cause fire.<br> Battery requirements:<br> 1: you LI-ION battery chargers; DC DC;<br> 2: charging voltage: 29.4 v<br> 3: Charging current: 4 or less<br> Batteries discharge requirements:<br> 1: Out of 18 lines, 150 mm long, red and black<br> 2: results in line 2.1 socket, 150 mm long<br> 3: Maximum instantaneous current: 60<br> 4: The maximum operating current: 45<br> 5: The product built-in rechargeable battery