SpeedyBee BLS 55A 30x30 4-in-1 ESC

SpeedyBeeSKU: SB-BLS-55A

Sale price$73.45

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The latest ESC from SpeedyBee is a powerful 55A 4-in-1 ESC with an aluminium alloy heat sink.

It also comes with a TVS protective diode, Japan made TDK SMT capacitors and an external 1000uF low ESR capacitor.

Everything is built for a durable build and smooth flights.


  • Firmware BLHeli_S J-H-40
  • Wireless Configuration Full Configuration Supported in the SpeedyBee app
  • PC Configurator Download Link https://esc-configurator.com/
  • Continuous Current 55A * 4
  • Burst Current 70(10 seconds)
  • TVS Protective diode Yes
  • External Capacitor 1000uF Low ESR Capacitor(In the package)
  • ESC Protocol DSHOT300/600
  • Power Input 3-6S LiPo
  • Power Output VBAT
  • Current Sensor Support (Scale=400 Offset=0)
  • ESC Telemetry Not supported
  • Mounting 30.5 x 30.5mm( 4mm hole diameter)
  • Dimension 45.6(L) * 44(W) *8mm(H)
  • Weight 23.5g




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