About this item Specification: Input: 100-240V 50-60 Hz; Output: 19.5V 3.33A 65W (also compatible with 19.5V 2.31A 45W); Connector Size: 4.5 x 3.0mm Blue Tip This 65W laptop charger is compatible with various models including Elitebook 830 / 850 G3 G4 / 840 G3 G4 G8 / Pavilion x360 11 13 15 / Envy 13 15 M6 X360 / ProBook 430 G8 / 440 G8 / 450 G3 G8 / 640 G2 G3 G4 / 650 G2 G3 / Stream 11 Pro G3 / Stream 11 Pro G4 EE / Chromebook 11 EE G2 G3 G4 / Spectre x360 x2 / Notebook 15 / Zbook. This adapter can easily fit into backpacks or even pockets, ensuring worry-free travel or daily commuting and portability. Product Dimensions: 7.48 x 4.96 x 1.85 inches.