Multi function Jump Starter will start 3.5L diesel / 4.5L petrol engines with a capacity of 7200 mAh. For 12V vehicles only, capacity of 7200mAh will start diesel engines up to 3.5L & petrol engines up to 4.5L.Can also be used as a power bank for a laptop/phone; includes 2 USB ports, 2 to 2 USB cable and 2 smart jumper clamps. Start current 350A, peak current 700A. Lithium ion polymer battery - charging time approx. 3 hours with charging indicator. Short circuit, overcharge, discharge, low voltage, reverse polarity protection.