Polymer li-ion Battery pack 1.high energy density 2.high working ... life Bluetooth,Mp3,Mp4,Gps,E-book,Notebook,DVD,Ipad, Net book,Notebook,PPC,Mobile PC Laptops,Tablet PC,PDA ... pen,mobile power,electronic cigarette , etc7.4v 700mAh Polymer li-ion Battery pack Adventage:Green product various dimensionsLow impendenceExcellent discharge ... mm)Weight (g)3.7 V70 mAh15 C5.7*14.5*17.51.83.7 V90 mAh15 C6.5* ...