GoolRC 4Pcs Simonk 30AMP 30A SimonK Firmware Brushless ESC w/ 3A 5V BEC For DJI F450 Align TREX 250 450 RC Multicopter Qudcopter Helicopter ESC Part;

30A ESC for multirotor Highest efficiency 100% N-FET design No low voltage cutoff, because any cutoff in a multirotor = crash No over temp cutoff, because any cutoff in a multirotor = crash Super high refresh rate, no buffering of the input signal, resulting in more than 490Hz response rate 16KHz motor frequency, giving fastest response of the motor, and quietest operation as well (no 8KHz squeal) Super simple, foolproof operation! Nothing to program other than the throttle range Specifications: Brand: GoolRC Max cont. current: 20A Peak current: 30A (10s) Voltage: 2-3S lipo, 5-8 Nicad BEC: 5V/3A Color: Red Item size: 60 * 28 * 9mm / Pcs (without cables) Item weight: 27.2g / Pcs Package Information: Package size: 12 * 10 * 4cm / 4.7 * 3.9 * 1.6in Package weight: 115g / 4.1oz Polybag package Package List: 4 * GoolRC 30A 2~3S Brushless ESC