About this item 36W Car Charger CompatibilityDesigned to quickly recharge devices including Surface Pro 3, Surface Pro 4, Surface Pro 5, Surface Pro 6, Surface Book, Surface Laptop, Surface Laptop 2 & Surface Go 3/2/1. This 36W Car Charger quickly recharges the battery, and the USB port allows you to charge another device such as your phone or tablet at the same time. Input: DC 12-24V/3.5A (MAX) Output: DC 12V/2.58A, DC 5V 1A (USB 2.0) Model: CC 36W. Comes with a 4.8 Ft Power Cord and a carrying pouch. Dimensions: 3.93 x 1.37 x 0.78 inches.