CALL US : (416) 642-6830

20A OPTO Blackfire BLHeli-s ESC

Price :
Add to Cart:
  • Model: MT20A-OPTO-BK1
  • 17 Units in Stock


The MT20A-OPTO-BK1 20A Blackfire ESC was designed to give silky smooth response when pushing the racing quad to the limits. Utilizing one of a kind EFM BusyBee 28MHz MCU power, the ESC comes pre-programmed with the powerful and very smooth Blheli_S firmware.


  • -  Continuous Current: 20A
  • -  Burst Current: 25A(10 sec.)
  • -  Input Voltage: 2S-4S LiPO
  • -  Weight: 8.6g with wires and heat shrink wrap
  • -  Dimensions: 28x13mm


  • - MCU: 24MHz EFM8BB10F8
  • - FETs: Peak 120A
  • - 3oz copper PCB
  • - Thrust performance equivalent to F39x ESCs

The BLHeli_S firmware is an improved version of the base BLHeli code to give support for the new 32 bit ESC controller MCU's. It is based on the BLHeli 14.5 base firmware revision and brings improvements to smoother throttle response.

ESC Programmer:

If you wish to reload the firmware on this ESC, you will need the following programmer: Click here to order