QWinOut 2-4S 30A RC Brushless ESC Simonk Firmware Electric Speed Controller with 5V 3A BEC with 3.5mm Female Banana Bullet for 2 to 4s Lipo Battery, DIY Multicopter Quadcopter (30A, 4 pcs)

NOTE: 1. ESC was soldered with 3.5mm Female banana connectors, effectively avoid welding problems; 2. have set up the Simonk Firmware program. Brand: QWinOut Working current: 30A/40A (Optional on my shop) Output: 30A Version: Continuous 25A, Burst 40A up to 10 Secs 40A Version: Continuous 40A, Burst 55A not down to 10 Secs Input Voltage:2-4 cells lithium battery or 5-12 cells NiCd/NIMh battery BEC:5V 3A Max Speed:210,000rpm for 2 Poles BLM, 70,000rpm for 6 poles BLM, 35,000rpm for 12 poles BLM.(BLM: BrushLess Motor) Weight:about 25g Compatible for: DIY FPV KK MK MWC RC Quadcopter Hexacopter Multi-Rotor Aircraft; 210 360 450 Helicopter; 380 f450 f550 and other four-axis six-axis fixed-wing drone. Features 1.Safety Arming Feature: Regardless the throttle stick position, the motor will not spin after battery connected. 2.Throttle Calibration: Throttle range can be configured to provide best throttle linearity, fully compatible with all market available transmitters. 3.Programmable Items:Brake Setting:brake enabled/brake disabled. Battery Type:Li-xx(Li-ion or LiPo)/Ni-xx(NiMh or NiCd). Low Voltage Protection Mode(Cutoff Mode):Gradually reduce the output power/Cutoff the output power. Low Voltage Cutoff Protection Threshold (Cutoff Threshold):low/medium/high. Start Mode: normal/soft/very soft. Timing:low/medium/high. Reset: reset all the programmable items to their default settings. 4.Full Protection Features: Low voltage cutoff protection/Over-heat protection/Throttle signal lost protection. Suggestion:Do a throttle range adjustment before taking off as following steps: 1.Connect ESC/motor/receiver 2.Push the remote control throttle to maximum 3.Connect power 4.Hear the regular sound of D- D- D……, unplug battery 5.Reconnect power and hear DD quickly sound 6.Pull the throttle to minimum 7.D sound once, calibration successful