Duracell Powermat PowerSnap Kit - Wireless Charging Case and Backup Battery for iPhone 5 (Black) Over 2x the power in a snap - simply snap the Snap Battery to the Access Case for instant backup power for your iPhone 5 when you need it; snap off when you don't The sleek and protective Access Case enables wireless charging and the Snap Battery snaps on for over double the charge, with 1950 mAh of reliable power packed into an ergonomic design Charging is easy -for wireless charging, simply set your iPhone 5 with Access Case, with or without the Snap Battery, on any Power Mat (sold separately) or our growing public network of wireless charging surfaces or use the included USB cable Charge at speeds comparable to wired charging without the hassle of cords or being tethered to an outlet What's in the box: Access Case, Snap Battery, USB charging cable, user guide