Characteristic:1. Cells: Grade A cells to ensure the batteries are high and full capacity2. Protection: double IC chip, which can be anti-short circuit, anti-overload, anti-overload, anti-overload charger3. Composition type: injection technology to make the battery more stable.4. Long life cycle, no memory, environmentally friendly.Voltage (V): 48VCapacity (AH): 30AhSource resistance (mΩ): about 25mΩCell specifications: 3.7 VCell size: 21700Charge Cutoff Voltage (V): 54.6VNominal Discharge Current (A): 25AMaximum instantaneous discharge current (A): 65AMaximum Continuous Discharge Current (A): 25AMaximum Continuous Charge Current (A): 5AStandard Charge Current (A): 2ACharging time with standard charge current: 6 hoursCharging temperature range: -10-25 ° CBattery size (L * W * T): About 90 * 75 * 285mmWeight: 4.2 kgBattery power: 1000WNotice:★ The size is manually measured, there may be some errors, please refer to the received package size, please understand.★ After receiving the package, please charge it before use. Please do not disassemble or modify the battery pack privately. If necessary, please contact me first.★ This shop provides professional consulting, customization, after-sales and other services for every customer. If you have any questions, please feel free to contact us, and we will reply to you within 24 hours.