TOPCHANCES 2600mAh High Capacity External Battery Portable Power Bank Backup Charger for iPhone 5S, 5C, 5, 4S, 4, iPad 4, 3, 2, Mini, iPods, Samsung Galaxy S4, S3, S2, Note 3, Note 2, HTC One, EVO, Thunderbolt, Incredible, Droid DNA, Motorola ATRIX, Droid, Moto X, Google Glass, Nexus 4, Nexus 7, Nexus 10, LG Optimus, PS Vita-Blue 1,The lithium-ion polymer, long service life,more safety. 2,A lightweight, unassuming solution to life's daily power needs. 3,Long lifetime: 18650 Lion battery, up to 1000 charge-discharge cycles.1 year limited warranty. 4,Compatible with all digital devices charged via USB port. 5,Capacity: 2600mAh,Input: 5V-1A,Output: 5V-1A.