ARB Professional Jump Starter is perfect for a 4X4, family vehicle, boat, motorcycle, used car yard or ride-on lawnmower The lithium powered ARB Jump Starter has plenty of power to start a 12 V vehicle with engine capacity up to 5 L V8 Diesel or 6L petrol Thanks to intelligent sensing and charging technology, when charging the jump starter from either the included AC or DC chargers The in-built sensors prevent overcharging or undercharging of the lithium battery When the time arrives to use the jump starter on a vehicle, the intelligent heavy-duty jump cables monitor battery voltage and polarity