Mackertop 12V 2.58A 36W Charger Adapter Power Supply Compatible with Microsoft Surface Pro 3 Pro 4 i5 i7 Tablet with 6Ft Power Cord Model 1625 Input: AC 100-240V (worldwide use); Output: 12V 2.58A 36W; USB port: 5V 1A USB 2.0 Replacement power supply for Microsoft Surface Pro 4 Surface Pro 3 i3 i5 i7 12" tablet With additional 5V/1A USB port allows you to charge another device such as your phone at the same time Model: 1625, come with 6Ft power cord cable 12 months warranty. 7 x 24 hours email technical support. 30 days money back guarantee