... 1.rechargeble 2. factory direct 3.3.7v 300mAh 4.for RC toys Application:1.Bluetooth,Mp3,Mp4,Gps,E-book ... pen,4.mobile power,electronic cigarette , etcLI-onPolymer battery rechargeble for RC toys factory direct 300mAh Adventage:Green product various dimensionsLow ... *51*14333014.8V5000mAh30C43*46*1466003.7V5200mAh45C18*46*92155 Certification:CE, MSDS, ROHS, SGS, UN38.3