Polymer li-ion Battery pack 1.high energy density 2.high working voltage 3.high ... cycle life Bluetooth,Mp3,Mp4,Gps,E-book,Notebook,DVD,Ipad, Net book,Notebook,PPC,Mobile PC Laptops,Tablet PC,PDA,bank ... ,mobile power,electronic cigarette , etc7.4v 700mAh Polymer li-ion Battery pack Adventage:Green product various dimensionsLow impendenceExcellent discharge performanceExcellent storage performance ...