Thin lithium polymer battery 5200mAh 7.4V 45C for electric car,airplane,electric toys we are the ... pen,point reading pen,mobile power,electronic cigarette , etc 7.4v lithium polymer battery for electric car 5200mAh Adventage:Green product various dimensionsLow impendenceExcellent ... (C)Size (mm)Weight (g)3.7 V70 mAh15 C5.7*14.5*17.51.83.7 V90 mAh15 C6.5*15.5 ...