About this item Input: AC 100 ~ 240V 50~60Hz Output: 19V 3.42A Power Max: 65W Connector Size: 5.5*2.5mm. When purchasing the correct laptop adapter, consider two factors: 1. The power required by your device, and 2. The connector size of your laptop. This 65W 19V 3.42A Laptop Charger is compatible with laptops that require 65W or less. Please check if the connector size of your device matches 5.5*2.5mm. Compatible With: Laptop models that require 65W or less with connector size 5.5*2.5mm. Compact and Portable: The laptop charger has a small and lightweight design, making it easy to carryideal for professionals or students who require a dependable power source on the go. Dimensions: 4.25 x 1.8 x 1 inches.