Description
Description:
The Readytosky 20A 2-4S Mini BLHeli-S OPTO ESC is a compact and high-performance electronic module integrated into the power distribution system of a drone. It is designed to provide precise control over the speed and performance of the drone’s motors. The “OPTO” designation typically means that this ESC lacks a built-in Battery Eliminator Circuit (BEC) to regulate and supply power to the flight controller and other onboard electronics. Instead, it’s designed to be used in setups where power distribution and regulation are handled separately.
Specifications:
- Model: 20A BLHeli-S OPTO ESC
- Suitable Lipo Batteries: 2 ~ 4S
- Continuous Current: 20A
- Peak Current(10s): 25A
Features:
- Readytosky 20A ESC supports the newest protocol of Dshot150/300/600
- Support PWM, Oneshot125, Oneshot42
- smaller size, lighter weight, and easy to build
- Readytosky 20A ESC has a stable performance
- Built-in automatic protection of temperature sensor
- Readytosky 20A ESC supports two-way mode and FPV 3D mode
Package Included:
1 x Readytosky 20A ESC 20A 2-4S Mini BLHeli-S OPTO ESC for FPV Race RC Helicopter






FS-SM100 USB Simulator Cable with Adapter Cables for Flysky FS-i6 FS-i4 FS-TH9X FS-T6 FS-T4B FS-GT3 FS-GT2 Remote Controller
Radiolink Byme-A Flight Controller Byme-A V2.0 RC Flight Controller Airplane Stabilizer with Gyro, 6 Flight Modes 4 Channels for A560 Stunt, 3D Fixed-Wing Airplane, Straight Wing, Jet, T-Tail Aircraft and More
Reviews
There are no reviews yet.