X-Star XP-7amp 1s or 2s Brushless ESC BEC 5v 1a X-STAR XP-7a Brushless ESC 1-2s Lipo, BEC 5v/1a ALL NEW 7 Amp Continuous output: 7A Burst current: 9A@10S Power input: 1-2S Lixx/3-9v 5V/1A BEC output, switch mode Programmable: YES Max.rotation speed: 2-Pole 240000rpm/min; 6-Pole 80000rpm/min; 12-Pole 40000rpm/min Dimension: 22*12*5mm Weight: 7g when bullets soldered 5grams without X-STAR XP-7A 1S-2S 3V-9V 7A 5g Brushless ESC Electronic Speed Controller For RC Mini Drone Airplane Equipped with high-speed, small-sized, multifunctional MCU.Full protection feature including low-voltage protection, over-heat protection, signal lost protection, safe power on protection, and self-check functions. 4 seconds very soft start performance which is very suitable for helicopters.Excellent startup performance, great throttle linear and quick throttle response, excellent low-speed performance. Max speed: 240,000 RPM (2 poles), 80,000 RPM (6 poles), 40,000 RPM (12 poles).Individual power circuit for MCU and BEC to improve anti-interference capability. The parameters of ESC can be configured via program card or transmitter.Built-in linear BEC or switch mode BEC. The low-voltage threshold and start-up power can be programmed quantized and precisely by program card.Throttle range can be configured to be compatible with different receivers. Three throttle curve options make helicopter control more flexible.Motor reverse rotation available. Parkflyer, super lightweight, indoor rc, 1s lipo esc 2s lipo esc, BEC ubec brushless motor controller speed controller rc airplane rc helicopter rc horizon hobby