1>3.7V lithium polymer cell. 2>Low cost high performance. 3>1 year warranty. 4>CE,FCC,ROHS,PSE. i4500 Features:1 ... Li-polymer cellsCapacity:4500 mAh Input:5V-1000mAh Output:1&2(FIXED)5V- 1000mahStandby time:Over 60 daysDimension:110mm×52mm×14mm ... , FCC, ROHS, PSEOthers :OEM supplier. iOCTOPUS 4500mAh portable mobile charger for iphone/4/4S blackberry Samsung HTC Nokia Motorola Sony PSP GPS smart ...