Surface Pro Charger, HUNDA 43W 12V 3.6A Power Adapter Supply Compatible Microsoft Surface RT Surface Pro 1 Pro 2 and Surface 2 1512 1514 1536 Laptop Tablet (Grey) Replacement Power Supply - Designed to match your Microsoft Surface Pro 3. Surface Pro 3 Power Adapter - Input: AC 100-240V (Worldwide use) Output: 12V 2.58A 36W. All the surface power adapter has been tested and validated to ensure it will work with Microsoft Surface Pro 3. Multiple Protection - Short circuit, over current protection, over voltage protection, over temperature protection. What You Get - HUNDA Microsoft Surface Pro 3 Power Adapter, 4 ft detachable AC Adapter Cord,12 month warranty and friendly customer service.