DreamflyRC 50A Electronic Speed Controller ESC

DreamflyRC 50A 4-in-1 Electronic Speed Controller (ESC)

Overview:The DreamflyRC 50A 4-in-1 ESC is a high-performance, BLHeli_S-based speed controller designed for FPV racing and freestyle drones. Built with premium MOSFETs and optimized PCB layout, it ensures smooth throttle response, rapid signal processing, and superior power efficiency. Its compact 30.5×30.5 mm mounting makes it ideal for modern FPV flight stacks.

Features:

Smooth throttle response with BLHeli_S firmwareCompatible with all major flight controllers supporting DShot or OneshotLightweight and compact 4-in-1 design for cleaner buildsHigh-quality MOSFETs for better efficiency and low heatReliable performance for freestyle and FPV racing drones

Specification

Details

Product Name
DreamflyRC 50A 4-in-1 Electronic Speed Controller (ESC)

Processor (MCU)
EFM8BB21

Firmware
BLHeli_S

Input Voltage
3–4S LiPo (11.1 V – 16.8 V)

Continuous Current
50 A

Peak Current
60 A (10 s)

Supported Protocols
DShot600, OneShot125, Multishot

Type
4-in-1 ESC

Mounting Pattern
30.5 mm × 30.5 mm

Mounting Hole Diameter
Φ 4 mm

BEC / Type
Opto (no onboard BEC — check variant)

Connectors
Solder pads for battery & motor wires

Protections
Over-current & thermal protection

Recommended Use
5-inch racing drones, freestyle quads, FPV builds

Package Includes:

1× DreamflyRC 50A Electronic Speed Controller ESC
1× Accessories