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SpeedyBee BLS 8Bit 55A 3-6S 30x30 4in1 ESC

Original price $39.99 - Original price $39.99
Original price
$39.99 - $39.99
Current price $39.99
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Free Delivery on U.S.A. Orders $99 or more

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Richer features, unbelievable price!

The powerful 55A (70A burst) 4-in-1 30x30 ESC, built with aluminum alloy heat sink + TVS protective diode + Japan-made TDK SMT capacitors + external 1000uF low ESR capacitor, everything is for a durable build and smooth flight.

Interested in the SpeedyBee F405 V4  BLS 3-6S 30x30 Stack/Combo (F405 FC / 8Bit 55A 4in1 ESC)?

Interested in the SpeedyBee F405 V4 3-6S 30x30 Flight Controller?

Check out all our 30x30 ESCs, and all our Speedy Bee products!


  • User manual
  • ESC upgraded to 55A (70A burst) with heat sink 
  • Dual gyroscope power supply filtering 
  • 1000uF huge filtering capacitor 
  • Large soldering pads



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

    • Firmware: BLHeli_S J-H-40
    • Wireless Configuration: Full Configuration Supported in the SpeedyBee app
    • PC Configurator Download Link:
    • Continuous Current: 55A x 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) x 44(W) x 8mm(H)
    • Weight: 23.5g


    • 1x SpeedyBee BLS 8Bit 55A 3-6S 30x30 4in1 ESC