Droniz 5200mAh Ultra Portable USB Charger Backup cell phone battery charger with Stylish power looks desing for iphone 5S 5C 5 4S, iPad Air Mini Retina, Samsung Galaxy S5 S4 S3, Note 3 2,HTC One, Nexus 5, LG Optimus,other Smartphones and Tablets 5200mah cell phone battery charger portable external power bank Large capacity for iphone 4/4s/5/ supplying power for Ipad,Iphone,Ipod,Galaxy tab,smartphone,MP3,GPS,PSP,etc; High conversion efficiency portable battery charger