XRotor Micro BLHeli-S 30A ESC for Drone Racing

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ESC designed for Drone Racing
BLHeli-S / Oneshot ready

  • Super Small & Light architecture
  • F396 48MHz MCU
  • The use of EMF8BB21F16G MCU (with the operating frequency of up to 48MHz),
    3-in-1 drive IC, American Fairchild MOSFETs, imported quality ceramic
    capacitors, 3-ounce copper and 4 layers of PCBs guarantees less heat, higher
    efficiency and rapid response.
  • Ceramic capacitors
  • 3-in-1 drive ICs, 3-ounce copper
  • Ultra high efficiency & rapid response - 4 layers of PCBs and other quality components guarantees less heat.
  • BLHeli-S Firmware Ready - The ESC supports the original BLHeli_S firmware. Users can flash or upgrade the firmware via the signal cable (on ESC) and program 4 ESCs simultaneously after connecting their flight controller to the BLHeli Suite software (if the flight controller uses the CleanFlight or beta flight firmware).
  • Hardware generated motor pwm for smooth throttle response and silent operation. Damped light does regenerative braking, causing very fast motor retardation, and it inherently also does active freewheeling.
  • Damped Light Mode & OneShot125 Mode Supported
    Supports Oneshot125(125-250µs)high-speed
    throttle signals, Oneshot 42 (41.4-83.3µs)and Multishot(5-25µs)
    super high speed throttle signals besides regular PWM
    (1000-2000µs)throttle signals
  • ESC + Motor combo available
  • Official warranty products in North America* (see warranty terms and conditions to protect your investment from non-authorized stores)
Factory Edition available
  • Innovative firmware exclusively developed by HOBBYWING technology
BLHeli-S 30A BLHeli 30A 
 BLHeli 35A

30901074 30901071 30901070
Application FPVs with 150-280mm Diagonal Wheelbase FPVs with 150-280mm Diagonal Wheelbase FPVs with 150-330mm Diagonal Wheelbase
LiPo Power input 2S-4S 2S-4S 3S-6S
30A 30A 35A
Burst Current 40A 40A 50A (burst in 10 sec)
BEC Output


Input wires 18AWG-100mm* (Red/Black) 18AWG-100mm* (Red/Black)

18AWG-100mm* (Red/Black)

Output Wire Solder tabs (no wires) Solder tabs (no wires) Solder tabs (no wires)
no (raw wires) no no
Size /

* Note: All the wire length above is the original length, not the length you see from the outside. 

Firmware: BLHeli-S A-H-50 16.3
ESC Programming: Stick Programming, BLHeliSuite

Supported features:

Stick Programming:, DEO, Throttle Range Calibration, Oneshot125 Mode, Oneshot42 Mode, MultiShot Mode, Timing adjustment


Warranty note
**  All ESCs purchased from Hong Kong retailers do not confirm CE / North America regulation - Products deems non-warranty
- ebay, and/or any discount online stores are not authorized dealer in North America. 
Optional devices
Best pair with

BLHeli official website:https://github.com/bitdump/BLHeli
BLHeliSuit download:https://www.mediafire.com/folder/dx6kfaasyo24l/BLHeliSuite
This BLHeli ESC Firmware:A-H-50 Rev:16.3

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