Maxboost Electron 10000mAh Dual-Port 3A USB Portable External Battery Pack for iPhone 6 and iPhone 6 Plus [Black] Backup External Charger compatible to iPhone 6, iPhone 6 Plus, iPhone 5S 5 4S 4, Samsung Galaxy Note 4 3 2 , Samsung Galaxy S6 S5 S4 S3 Tab 4 3 2 7.0 8.0 10.1 S 8.4 10.5, LG Optimus G3 G2 G Flex G Pro 2, HTC One M8 M7 M4, Nexus 54678, iPad Air 432, iPad Mini 3 2 Retina, iPod Touch, G Pad,Sony[a.k.