The HAKRC 20A 4-in-1 ESC is a high-performance, ultra-compact electronic speed controller designed for FPV racing drones, cinewhoops, and lightweight freestyle quads. It delivers 20A continuous and 25A burst current per channel, and supports 24S LiPo or HV
The HAKRC 20A 4-in-1 ESC is a high-performance, ultra-compact electronic speed controller designed for FPV racing drones, cinewhoops, and lightweight freestyle quads. It delivers 20A continuous and 25A burst current per channel, and supports 24S LiPo or HV LiPo input, offering powerful output in a compact 2731mm footprint.
Equipped with the SILABS EFM8BB21F16G 48MHz MCU, the ESC runs native BLHeli_S firmware, ensuring stable throttle response and broad compatibility with flight controllers. It features the latest TPN2R703NL MOSFETs and new-generation 3-in-1 driver ICs, providing efficiency and reliability under high load.
| Parameter | Value |
|---|---|
| Input Voltage | 24S LiPo / 24S HV LiPo |
| Continuous Current | 20A |
| Burst Current | 25A (up to 5 seconds) |
| Firmware | BLHeli_S |
| MCU | SILABS EFM8BB21F16G, 48MHz |
| MOSFET | TPN2R703NL |
| Driver | New-gen 3-in-1 IC |
| ESC Size | 27 31 mm |
| Weight | 3.7g |
| BEC | None |
| Mounting Pattern | 2020mm (standard whoop stack compatible) |
4-in-1 Design: Ideal for tight builds and stack integration.
BLHeli_S Native Firmware: Supports parameter tuning and firmware upgrades via signal wire or external dev board.
DShot & OneShot Ready: Supports DShot, OneShot125, OneShot42, and bidirectional motor rotation.
High Efficiency & Low Heat: Thanks to premium PCB layout and reliable MOSFETs.
Micro FPV racing drones (2-4 inch)
Cinewhoop builds with 20×20 mounting pattern
Toothpick drones
Lightweight freestyle quadcopters
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