1>3.7V lithium polymer cell. 2>Low cost high performance. 3>1 year warranty. 4>CE,FCC,ROHS, ... . i4500 Features:1>Plastic housing printed Chinese flower.2>Low cost high performance charger.3>Over Current and Short Circuit Protection4 ... currents can be adjusted.Application Range: (Apple, HTC, Blackberry, Samsung, Sony Nokia Motorola..etc.), 5V tablet pc, digital cameras, and other ...