30A ESC Opto 2-6S Brushless Speed Controller for DIY UAS Drone F450 S500 S550 RC Quadcopter Multicopter

Features: 1, Specifically optimized firmware ESC, the ESC has a very good compatibility; 2, Highly intelligent, adaptive ability, extremely easy to use; 3, Throttle signal line is a twisted pair, copper wire to reduce crosstalk signal generated 4, Supports up to 621Hz refresh rates up to the throttle signal, compatible with a variety of flight control (Note: More than 500Hz signal of the throttle throttle are all non-standard signal) 5, Use MOSFET special driver chip, performance and stability far beyond the driving circuit with discrete components built ESC Specification: Cont. Current: 30A Max. Current: 40A BEC : No (OPTO ESC) Li-ion/Li0poly:2-6S Weight: 28.5g(with banana connector); Package includes : 1 or 4pcs* 30A ESC