High capacity: built with a powerful li-polymer rechargeable battery that will provide over 200% extra battery life to your iphone. Get 40+ hours of talk time or 20+ hours of web browsing time.
★full protection: 360° edge coverage with shock absorption. Made with a soft flexible frame + hard-shell backplate to protect your device from scratches and normal wear and tear.
★dual charging compatible: charge the case and device battery simultaneously. Simply connect the case (with device inside) to your 2a output wall charger at night and enjoy fully charged devices in the morning!