Description
The Readytosky 20A Mini BLHeli-S OPTO ESC is designed to control brushless motors in FPV racing drones, quadcopters, and RC helicopters. Equipped with BLHeli-S firmware, it provides smooth throttle response, improved motor efficiency, and reliable signal processing for high-performance flight.
The OPTO design removes the built-in BEC, reducing electrical noise and making it ideal for use with external power distribution systems. Its lightweight and compact size make it suitable for small and lightweight drone frames used in racing and freestyle FPV flying.
With support for 2S to 4S LiPo batteries, the ESC delivers efficient power management and stable performance in demanding flight conditions.
Key Features
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20A continuous current output
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Supports 2S to 4S LiPo batteries
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BLHeli-S firmware for smooth and responsive motor control
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OPTO design without BEC for reduced interference
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Fast throttle response suitable for FPV racing
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Compact and lightweight design
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Compatible with most brushless motors and flight controllers
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Reliable performance for racing and freestyle drones
Specifications
| Specification | Details |
|---|---|
| Model | Readytosky Mini ESC |
| Continuous Current | 20A |
| Burst Current | Up to 25A |
| Input Voltage | 2S – 4S LiPo (7.4V – 14.8V) |
| Firmware | BLHeli-S |
| Signal Input | PWM / Oneshot / Multishot |
| BEC | None (OPTO design) |
| Application | Brushless Motor Control |
| Weight | Lightweight mini ESC |
Applications
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FPV racing drones
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Freestyle quadcopters
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RC helicopters
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Mini drone builds
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DIY drone projects
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Robotics motor control systems
Package Includes
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1 x Readytosky 20A Mini BLHeli-S OPTO ESC
Why Choose This Product
The Readytosky 20A Mini ESC offers fast response, reliable power handling, and compact size, making it ideal for lightweight FPV racing drones and high-performance RC aircraft requiring efficient brushless motor control.
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