7800mah Portable Power Bank Pack External Battery Backup Charger with Built-in Samsung Grade a Cell and Premium Microchips, 4s, 4, Ipad Mini, Ipods, Samsung Galaxy S3, S2, Note 2, HTC One, Evo, Thunderbolt, Incredible, Droid Dna, Motorola Atrix, Droid, Google Glass, Nexus 4, Lg Optimus and More *SAFETY: Samsung Grade A cell and premium microchips ensure high quality. *CAPACITY: 7800mAh capacity gives your device full juice and life. *SPEED: Super-fast charge output (5V / 2A and 5V/1A)though dual USB ports at high speed. DESGIN: Fits easily into any bag or pocket. Double USB Output. Service: Quick and Easy support at oxausa.com or call 8006058563