Polymer li-ion Battery pack 1.high energy density 2.high working voltage 3.high discharge rate 4.long cycle life Bluetooth,Mp3,Mp4 ... , Net book,Notebook,PPC,Mobile PC Laptops,Tablet PC,PDA,bank card, smart card,Tablet personal computer,flat computer,Telephones,Cameras,Romote ... rate (C)Size (mm)Weight (g)3.7 V70 mAh15 C5.7*14.5*17.51.83.7 V90 mAh15 C6.5*15.5 ...