New BumpBee_S ESC runs BLHELI_S (J_H_90) firmware on BB21 MCU(Which means the PWM signal is now hardware driven, no longer software driven. BB2 is giving us 2048 throttle resolution! Kiss ESCs are BB1 delivering 1024.) , offer the best performance for Race multicopters. 


QFN5x6 Power Mosfet instead tiny QFN 3x3 Mosfet(The other ESC using), could delivery more current, better cooling and less heat.

Oneshot / Multishop supports

3X RGB LED

15*30mm

THESE TAKE 6S WITH NO ISSUES!!!

THIS IS 5x ESC