2 Pack 12V 20Ah LiFePO4 Lithium Battery, Deep Cycle, for UPS, Power Wheels

‌Rated Capacity: 20Ah Nominal Voltage: 12.8V Energy: 256Wh BMS: 20A Max. Continuous Output Power: 256W Max. Continuous Charge Current: 10A Max. Continuous Discharge Current: 20A Charging Voltage: 14.4V~14.6V Discharge Voltage: 10V~14.6V Storage Temperature Range: 5°F~122°F Charge Method: Battery Charger、Solar Panel + Charge Controller、Battery Generator Dimension: 5.95 x 3.90 x 3.70 inch Weight: 3.30 lbs Number of Series and Parallel Connection: 4P4S Package included: 2X 12.8V 20Ah Battery Do not use more than 4 batteries in series and parallel Please use a 12V lithium iron phosphate battery charger to charge to avoid danger