[Apple Certified ]EasyAcc MFi 2200mAh iPhone 5 5s battery charging case, Rechargeable extended protective Battery Case for iPhone 5 5s,Original Lightning Charging Plug , Blue [12-month Warranty] Certified by Apple's MFi program, so there's no need to worry about compatibility or safety issues. A clever design that solves four major issues: difficulty in application, hard-to-reach controls, a recessed headphone jack, and reduced sound quality. 2200mAh capacity doubles the battery life of an iPhone 5/5s. Environmentally-friendly grade-A lithium-polymer battery that comes with smart overvoltage and overcurrent protection; is cetified by CE, FCC, and RoHS; and has no possibility of exploding. Features an LED indicator that shows the battery level as well as a power button that allows you to decide when to charge your iPhone. Also comes with a 12-month warranty plus lifetime technical support.