Skystars RC KM40 40A BLHeli_32 4-In-1 20x20 ESC

  • $39.99
    Unit price per 
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The Skystars RC KM40 is a BLHeli_32 4-in-1 ESC with 20x20 mounting pattern, 40A continuous current, and supports 3-6S LiPo power.  Small in size, but not in performance!

Excellent over-current capability

By adopting the best PCB material and PCB production process (appplication of high TG materials, 3oz copper PCB & 2μm gold deposition process on PCB), this ESC can withstand higher currents

Extreme stability and support 6S LiPo battery

By use of 24 pcs of new Toshiba standard 40V 5x6 Mosfet & electronics imported from USA and Japan.  Plus advanced lead-free SMT Processing technology. It makes ESC fully support 6s battery and get better performance.

Better control performance

Flashed with the latest Blheli_32 firmware in factory, support telemetry functions (including voltage, RPMS & current )


  • Input voltage: 3-6S LiPo
  • Con.Current: 40A
  • Peak Current: 50A≥ 10S
  • Firmware: BLHeli_32
  • Support: Dshot 600/1200
  • Mounting hole : 20X20 mm/M3
  • BEC: No
  • Product size: 31*36*3.9mm
  • Weight: 7.8g

1x Skystars RC KM40 40A BLHeli_32 4-In-1 20x20 ESC
4x Rubber Grommets (M3x4mm)
1x XT60 connector and wires
2x 8pin 50mm wiring harness
1x 35v 560uf Capacitor

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