6 Ah battery booster: gives low vehicle batteries the boost they require to get started in minutes, 12 volt DC outlet connects the booster from inside your vehicle without any need for jump leads, 2 led ultra bright & long lasting light ideal for map reading, Compact design: fits into most glove compartments, Battery level indicator ensures full charge, Suitable for petrol engines up to 3.5L & diesel engines up to 3.0L