User Guide

© 2014 Microsoft Page 21
Lock screen. Lower-left corner of the lock screen.
Desktop taskbar. Battery status appears on the desktop taskbar. Tap the battery icon to see the
percentage remaining.
When you see a low battery warning, plug your Surface Pro 3 into an electrical outlet. If you don’t recharge the
battery, Surface will eventually save your work and shut down.
Notes
It takes 2-4 hours to fully charge your Surface Pro 3 battery from an empty state.
Surface Pro 3 can’t be charged through the USB port. Instead, you need to use the included power
supply.