【Compatibility】44W Microsoft Surface Power Charger Adapter is fit for Microsoft Surface Pro 3/4/5/6/7/X, Surface Book 1/2, Surface Laptop 1/2/3, Surface Go/Go 2,Surface Laptop Go. 【Extended Port】Microsoft surface charger additional a 5V-1A 5W USB port.You can use this USB port to charge the ohter device,such as the mobile phone at the same time.It is also convenience for travel, home, car, office, ect. 【Specification】Input: AC 100-240V 50/60 Hz; Output: 15V-2.58A 44W/12V-2.58A 36W/15V-1.6A 24W; USB Port: 5V-1A 5W. 【Tip】Under normal circumstances, adapters with the same standard capacity and the same interface are compatible.High power adapters can be compatible with low power adapters.This 44W Microsoft surface charger is also compatible with 36W(12V-2.58A) and 24W(15V-1.6A) Microsoft Surface Device. 【Safety & Magnetic Connector】44W Power Adapter is made with the highest quality materials by multiple smart features safeguarding to avoid incorrect voltage,over current