1.Brushless speed controller-ESC 85A 2.Extremely low internal resistance 3.Super ... 85A,70A,60A,50A,40A,30A,20A,12A,8A brushless speed controllerfor HelicopterWires Connection: Always use new connectors, which should be ... )W*L*HUserProgram6A6A8A5-10 NC \ 2-3 Lipo55V / 1A13 x 21 x 4yes8A8A10A5-10 NC \ 2-3 Lipo85V / 1A21 x 22 ... 85A,70A,60A,50A,40A,30A,20A,12A,8A brushless speed controller