Surface Book Power Supply Unit£79.99 Effortlessly and quickly charge your Surface Book with this versatile 102-watt power supply, which includes an additional USB port for charging another device at the same time. Surface Book Power Supply Unit quantity Add to basket Technical Specification Related products Surface USB-C to DisplayPort Adapter £31.49 Add to basket Surface Dock £168.99 Add to basket Surface Keyboard £78.99 Add to basket