Overview
The HAKRC 45A 4-in-1 ESC is a high-performance electronic speed controller designed for competitive FPV racing drones. It features EMF8BB21F16G 8-bit MCU, 45A continuous current per channel, and full support for DShot150/300/600, PWM, Oneshot125/42, and Multishot protocols. With a dual mounting hole design (20×20mm and 30.5×30.5mm), this ESC is compatible with a wide range of FPV frames.
Key Features
-
Powerful Hardware: Equipped with an EMF8BB21F16G chip running at 48MHz, imported high-efficiency MOSFETs, and triple-in-one IC drive design.
-
Durable Build: 6-layer PCB, 3oz copper thickness, and edge-wrapped solder pads provide excellent heat dissipation and long-term reliability.
-
High Integration: Combines 4x 45A ESCs in one compact board with integrated current sensor and advanced SMT components.
-
BLHeli-S Native Support: Compatible with BLHeliSuite for full parameter tuning and firmware upgrades.
-
Advanced Features: Hardware PWM for smoother motor operation, Damped Light for regenerative braking, precise control, and improved efficiency.
-
Protocol Ready: Supports DShot150/300/600 for fast, accurate signal transmission with strong anti-interference performance.
-
High-Temp Resilient Wiring: Input/output wires use flexible silicone insulation for better durability and soldering ease.
Specifications
| Parameter | Details |
|---|---|
| Input Voltage | 2–6S LiPo |
| Continuous Current | 45A (×4 channels) |
| Burst Current | 50A |
| Supported Protocols | DShot150/300/600, PWM, Oneshot125/42, Multishot |
| Firmware | BLHeli-S (version BL16.7) |
| Configuration Software | BLHeliSuite |
| Mounting Hole | 20×20mm / 30.5×30.5mm |
| Dimensions | 44 × 44 × 5.5mm |
| Net Weight | 13.6g |
| Package Size | 62 × 58 × 18mm |
| Package Weight | 27g |
Applications
Ideal for freestyle FPV, competitive racing drones, and any quadcopter requiring a compact, durable, and high-current 4-in-1 ESC with wide protocol compatibility.
Details

BLHeliSuite 45A 2-6S 4-in-1 ESC with galvanometer, double hole spacing design.

BLHeliSuite 45A 2-6S 4-in-1 ESC with 48MHz control chip and high-quality ceramic capacitors.

BLHeliSuite 45A 2-6S 4-in-1 ESC with M1, M2, M3, M4 labels.

Related Collections

Explore More Drones & Accessories
-
Camera Drone
Our Camera Drone Collection features a wide range of brands including FIMI,...
-
Drone Accessories
Discover a wide range of drone accessories to enhance flight performance, extend...