Diatone Reactor 44 BL32 is a powerful ESC for smaller 3-5" drones. The ESC supports 4-6S Lipo battery power and current loads up to 44A per channel (54A burst). The Reactor 44 ESC uses BlHeli_32 firmware to support bidirectional dshot, telemetry and variable PWM frequency. The ESC also includes a current sensor.