Input: 100-240V 50 / 60 Hz;
Output: 15V-4A 65W;
USB Port: 5V-1A; compatible with surface pro charger a good replacement ac adapter if your original power supply has run out of life. Compatible with Surface Pro 3 Pro 4 Pro 5 Pro 6 Pro 7 Pro 7+ Pro 8 Pro 9 Pro X; Surface Go 1 2 3; Surface Laptop Studio charger surface laptop1 2 3 4 5 6Widely compatibility: Surface Pro 11 10 9 8 7+ 7 6 5 4 3 X Surface Studio 1 i5 Windows Laptop 6 5 4 3 2 1 Surface Book 3 2 1 Surface Go Tablet 4 3 2 1Dependable
Protection and Safety: Light and Thin High Quality Fast and Efficient charging Great for the travel home or office Internal smart circuit keeps you and your device safe with multiple protections including over current protection over voltage protection short circuit protection over heating protection overload protection surge protection and under voltage protectionFeaturing a built-in LED indicator you can easily monitor the charging status giving you peace of mind while working or relaxing. The extended 10FT cable allows for flexible placement eliminating the need to stay close to the outlet. Lightweight and portable this charger is perfect for travel as well. Keep your Surface devices charged and ready to go with this essential accessory