About this item This power supply for laptop computers features an input of Worldwide AC100-240V 50/60Hz and an output of 19V 4.74A Max, also compatible with chargers of 19V 3.15A and 20V 3.16A (60W). It includes a 5.5mm x 3.0mm DC plug and an 8-foot long power cord. This laptop charger adapter replaces various part numbers (P/N) and is suitable for a wide range of laptop models. Safety use: This replacement laptop AC adapter is designed with safeguard features against overloading, overheating, overcharging, and short circuits. Please verify the tip dimension carefully before purchasing to ensure compatibility with your computer. Dimensions: 7 x 5 x 2 inches.