330W Slim AC Charger Adapter for Dell Alienware M18X M17 R3 R4 X16 X17 X51 G16Product DescriptionThis 330-watt slim AC charger adapter provides 19.5V output at 16.92 amps for compatible Dell Alienware laptops. The power supply accepts 100V-240V input at 50-60Hz and features a 7.4mm by 5.0mm connector with a white LED indicator light. The charger is compatible with Alienware M18X, M17, X16, X17, X51, G16, G15, and Area-51m models, supporting 330W, 240W, and 180W power modes. Built-in protection circuits guard against over current, over voltage, short circuit, overheating, overload, surge, and under voltage poundsProductdimensions7.4 x 2.4 x 10.2 Speed Ronda Electronic Technology Co., LtdSize