Concept Power invertor. Ideal for charging mobile phones GPS power tools Laptop and any other devices that can be charged up with a 240 volt mains supply, this unit plugs into the power supply in most cars and vans normally reserved for cigarette lighters. Ideal for charging any power tool up when stationary or on the move, with a power output of 300 watts normal charging times can be achieved. Small in size, 300 watt peak and150 watt of continuous power. Ideal for powering up TV,s and DVD players and small coolers on the move.