LUXA2 EnerG 6600mAh External Battery Charger for iPhone 5, 4S, Galaxy, Note 3, HTC, Nokia Lumia, most other Smartphones Compact design with illuminating 4 point LED status indicators 6000mAh li-ion battery cell with fast charging 5V1.5A output to charge all smartphone devices Use of smart technology ensures that EnerG provides an exceptional 90% power conversion percentage A fully charged EnerG 6600mAh is able to charge a variety of devices repetitively such as an iPhone 5S 2.9 times, Samsung Galaxy S4 1.6 times and Note II 1.3 times RoHS, CE, FC Certified