If battery power is low, you'll have to wait until your Surface Book has recharged before detaching it. Surface Book uses battery power to detach the keyboard. Then use the Surface Pen, the touchscreen, and the touch keyboard to get around. Detach the keyboard to transform your Surface Book into a tablet. When you're done using it, close the screen to make it sleep. Surface Book comes in laptop mode, with the screen and keyboard attached.
Ready to adapt to the way you want to work, whether as a laptop, tablet, drawing surface, or for giving a presentation. Your Surface Book is the ultimate laptop-it transforms to work any way you do.