Flycolor Raptor Slim 40A 2-4s BLHeli_S ESC

Flycolor Raptor Slim 40A 2-4s BLHeli_S ESC

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Flycolor Raptor Slim 40A 2-4s BLHeli_S ESC
The Raptor Slim ESC is perfect for those quads with narrow arms. 40A gives you plenty of power in a tiny package.

About this product

The Raptor Slim is an ultra-narrow single ESC made for racing drones that need all the weight and space savings possible. The Raptor Slim measures a measly 10mm wide and weighs only 9g, making it perfect for quads with narrows arms. Featuring BLHeli_S firmware and supporting 2-4s, this ESC is more than capable to power your racing drone.


  • EFM8BB21F16G MCU pipelined 8-bit C8051 core with 50MHz maximum operating frequency.
  • A dedicated high-frequency driver makes the start more smooth. ESC maximum speed is 500k eRPM.
  • BLHeli_S firmware is designed for superior performance in multirotors and uses hardware generated motor PWM for smooth throttle response and silent operation.
  • Damped light does regenerative braking, causing very fast motor retardation, and inherently also does active freewheeling.
  • The code supports regular 1-2ms pulse width PWM input, as well as Oneshot and Multishot. The input signal is automatically detected by the ESC upon power up.
  • Supports Dshot150, Dshot300, and Dshot600. Dshot is a digital signal, the anti-interference ability is stronger, and do not need throttle calibration.
  • The silicone twisted-pair of the throttle signal cable increase the service life, and effectively reduces the crosstalk caused by signal transmission, and makes flight more stable.


  • Power input: 2-4S Lipo
  • Cont.Current: 40A 
  • Instantaneous current: 50A
  • BEC: no
  • MCU: EFM8BB21F16G 
  • Working frequency: up to 50MHZ
  • Firmware: BLHeli_S C-H-40
  • Size: 35*10*7mm
  • Weight: 9.1g


  • 1x Raptor Slim 40A ESC


More Information

SKU 9270
UPC (GTIN) 721248873125
Manufacturer FlyColor
NDAA Compliant No
Mounting Pattern Single Arm ESC
Item Returns This item can be returned

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