US Compass New Replacement 48W 12V 3.6A Power Adapter Charger For Microsoft Surface Pro 1 Pro 2 Tablet Model 1536 with USB Port Microsoft Replacement 12V 3.6A 48W Power Adapter with USB connector Port Output:12V--3.6A 48W 5V 1A Perfect work with Microsoft Surface Pro1 and Pro 2 Tablet Model 1536 One Year Warranty