Hobbywing Hobby Wing 30302201 Seaking 60A V3 Brushless ESC Vehicle Speed Controller Cont./peak current: 60A/360A; input: 2-3s LiPo, 5-9 Cells NiMH; beck output: switch mode:6V/3A Application: boat length &LT;70cm Waterproof ESC, sensorless operation