- Voltage range : 4~8 cells, 2~3cell Li-Po - RPM : 1,880 RPM/V - Max. Efficiency : 82% - Max. Efficiency Current : 8~12A - Max. loading : 16A / 60s - No load Current / 8V : 0.8 A - Internal resistance : 89mohm - Dimensions : 27.7x26mm - Shaft Diameter : 3.17mm - Weight : 45g - Recomended model weight : 200~500g - Propeller range : 4 cells prop 9"x6", 6 cells prop 8"x5", 8 cells prop 7,5"x4"