Battery Life
7-15 days idle life
Charges in 2-4 hours with included power supply

意味がわからん(;´Д`)なんだこのふざけた表記は
隣のsurface rtはちゃんと駆動時間が書いてあるのに

http://surface.microsoftstore.com/store/msusa/en_US/html/pbPage.PDPS/productID.286866600?WT.mc_id=surface_RTM_surfacepro2