LI-on Polymer battery 1.rechargeble 2. factory direct 3.3.7v 300mAh 4. ... .Tablet PC,PDA,bank card, smart card,Tablet personal computer,flat computer,Telephones,3.Cameras,Romote control helicopters,Electronic toys,Mp5, ,electronic ... ,point reading pen,4.mobile power,electronic cigarette , etcLI-onPolymer battery rechargeble for RC toys factory direct 300mAh Adventage:Green product ...