Iphone 5 /5c/5s 4200mah detachable External Rechargeable Spare Backup Extended Battery Charger Pack Case Cover 100% Brand new 4200mah external battery pack case for iphone 5C 5S Used for charging your Phone anytime and anywhere Works as both an external Phone battery set and a protection case Ultra-slim, sliding design and lightweight, easy to carry A pop out kickstand allows you to stand your phone in landscape position