19.5V 16.92A 330W 7.4mm*5.mm laptop charger for Dell. High quality with 100% brand new over charge, over current, over voltage, short-circuit and over heat protection. High precise output voltage, small wave and low interference made of quality components and circuit board wide input voltage range, in line with global usage standards. Keep a spare240W AC adapter at hand to ensure your PC device has a consistent flow of power. One adapter in the office, one at home for an immediate, convenient access to power so you don't need to carry the brick around.