geek-2016&reg; Replacement 60W 15V 4A Charger AC Power Adapter Wall Portable travel Travel Notebook Charger for Microsoft Surface book , Surface pro 3 , Surface Pro 4 , Tablet Charger Replacement magnetic charger adapter power supply for Microsoft Surface book , Surface pro 3 , Surface Pro 4 Tablet Powerful Charger: Microsoft Surface 60W power supply powers up your compatible Surface tablet while you work Magnetic Connector: Magnetic snap-in power adapter effortlessly connects to your Surface laptop Highly Portable: A premium lightweight replacement charger for Surface laptop, ideal for home use and travel as a backup charger I/C Chip technology prevents your tablet's battery overcharging,cable Length:1.5M