MagSafe Battery Pack 5000 mAh Attaching the Mag-Safe Battery Pack is a snap. Its compact, intuitive design makes on-the-go charging easy. The perfectly aligned magnets keep it attached to your all iPhone devices ( compatible with MagSafe ) and also providing safe and reliable wireless charging. And it automatically charges, so there's no need to turn it on or off. There's no interference with your credit cards or key fobs either.
