LI-on Polymer battery 1.rechargeble 2. factory direct 3.3.7v 300mAh 4.for RC toys ... book,Notebook,PPC,Mobile PC Laptops,2.Tablet PC,PDA,bank card, smart card,Tablet personal computer,flat computer,Telephones,3. ... ,electronic cigarette , etcLI-onPolymer battery rechargeble for RC toys factory direct 300mAh Adventage:Green product various dimensionsLow impendenceExcellent discharge performanceExcellent ...