Seaking-180A Brushless ESC for Boat (Version 2.0) 1.1 Output: Continuous current 180A, burst current 360A. 1.2 Input: 6-18 cells NiMH/NiCd or 2-6 cells LiPo. 1.3 BEC Output: 5.8V@3A Switching mode built-in BEC. 1.4 Suitable Motor: Sensorless Brushless Motor 1.5 External diameter of the water cooling pipe: 5.0mm 1.6 Size: 72mm(L) * 68mm(W) * 34mm(H). 1.7 Weight: 165g