EnerPlex Surfr Ultra Slim Battery Backup & Solar Powered Case for iPhone 6/iPhone 6S, Black, SRI62700BK ULTRA-THIN: The THINNEST Battery & Solar case in the world. POWERFUL: Integrated 2,700 mAh battery allows you to recharge your phone 100%, whenever you need it. POWRLOCK: Leading battery technology means the Surfr will hold its charge LONGER. SOLAR POWERED: Get a trickle charge in a pinch! The Surfr integrated solar panel can charge your phone in an emergency situation. APPLE CERTIFIED: Apple, Made for iPhone Certified, AWARD-WINNING: Made with the World's Most Awarded Solar, 100% manufactured in the USA.