... :1.Built-in automatic protection for cell over/under voltage, pack over/under voltage, charge/discharge over-current, short circuit, and ... voltage, current, temperature, SOC, ect.12v 60ah lithium battery pack Specifications12V-60AhVoltage14.8 V Nominal Capacity (C/5, 23°C)60 Ah ... 240 min Run-time @ 30A 80 min Standard ChargeCharge Voltage16.8 V Float Voltage 16 V Recommended30A