Interestingly, there are two Surface Connect ports on Surface Book, however: One on the keyboard base, which charges the batteries in both the base and the screen, and one on the bottom of the screen. (Surface Book’s power adapter is, however, backwards compatible with Pro models, including Surface Pro 4.)Īs for charging, Surface Book connects to the power adapter using the magnetically-assisted Surface Connect port that debuted with Surface Pro 3. Previous Surface Pro adapter (top) and Surface Book adapter (bottom).Īnd if you look really closely at the impossible-to-read power brick, you can see that the Surface Book adapter is model 1706 and is a 65-watt unit. The Surface Book power adapter is just slightly bigger than that for Surface Pro. To tell the Surface Book power adapter from a previous Pro adapter. In that case, you can charge reliably when the device is off or asleep. If you have a Surface Book with a discrete GPU in the keyboard base, however, those chargers won’t always work. Actually, you can use the charger from Surface Pro 3 or Pro 4 with Surface Book. This means you need to be careful-you’d hate to mistakenly bring your Surface Book and an incompatible Surface Pro charger on a trip-and that you may wish to snag a second power adapter if you like to keep one in your travel bag, as I do. This means that users who upgrade to Surface Book from any Surface Pro will be unable to use at least one of their existing accessories. But you can’t use previous Surface Pro chargers, Microsoft says. You can charge your Surface Book using the power adapter that came with the device, or with Surface Dock.
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