About this item Advanced Safety Protection - The universal laptop charger has advanced built-in safeguards to prevent risks of short-circuit, over-current, over-voltage, and over-heating, ensuring the safety of your devices. Specification - Replacement laptop adapter AC Input: 100-240V 50-60Hz; Output: DC 18.5v 19v 19.5v 20v, Max 65W. Replacement 65W laptop charger, compatible with various models. Incompatible with certain laptops. Compatibility - The universal laptop AC adapter comes with 16 tips that fit different notebook computers. Replaces a wide range of laptop models across various brands. This power supply measures 5.98 x 8.2 x 0.39 inches.