iHome External Battery Pack for Universal/Smartphones - Gray All-In-One Complete charging solution integrates battery, all charger, and lightening cable. No extra cables needed. Double your battery life - extra battery 6,000 allows for 129 hours of web browsing, 37 hours of talk time, 133 hours of music, or 29 hours of video. Rapid Charge - High power port allows you to charge any Lightning Pin compatible tablet or smartphone more quickly Works with all Lightning Pin compatible devices. Apple MFi Certified, UL testing certified LED indicator illuminates to let you know how much power is left