


Cyclone BLHeli_S 35A ESC 2-5S / 2-6S Lipo
Product Details
The Cyclone BLHeli_S 35A / 45A ESC is a high-performance electronic speed controller designed for RC FPV quadcopters, drones, and airplanes. Engineered with a 6-layer PCB and 3-ounce thick copper, it delivers excellent electrical conductivity, improved heat dissipation, and reliable performance under demanding conditions.
Its gold-plated PCB surface enhances current resistance and durability, making it suitable for drone racing, freestyle flying, and high-speed aerial applications. Powered by BLHeli_S firmware, this ESC supports DShot 150 / 300 / 600 digital throttle, providing fast, smooth, and highly responsive throttle control.
The ESC also features an integrated RGB multi-color LED light, improving visibility during night flights. With Damped Light mode and regenerative braking, it offers smoother motor response, better deceleration, and improved battery efficiency. Its compact and lightweight design makes it an ideal choice for high-performance builds.
Key Features
- BLHeli_S firmware for fast and reliable ESC performance
- Supports DShot 150 / 300 / 600 digital throttle
- 6-layer PCB design with 3oz thick copper
- Gold-plated PCB for improved conductivity and heat dissipation
- Integrated RGB multi-color LED for better night flight visibility
- Damped Light mode for smoother motor control
- Regenerative braking for precise deceleration and improved efficiency
- Strong anti-jamming capability for stable performance
- Compact, lightweight, and ideal for FPV racing and freestyle drones
| Specification | Details |
|---|---|
| Brand | ReadytoSky |
| Model | Cyclone BLHeli_S ESC |
| Continuous Current | 35A / 45A |
| Peak Current | 40A (35A version), 50A (45A version) |
| Li-ion / LiPo Support | 2-6S LiPo |
| Firmware | BLHeli_S |
| Throttle Support | DShot 150 / 300 / 600 |
| Weight | 6.0g |
| Dimensions | 28 x 13 x 5mm |
| Power Cable Length | 18AWG 90mm |
| Signal Line Length | 150mm |
Applications
Suitable for:
- FPV Racing Drones
- Freestyle Quadcopters
- RC Airplanes
- DIY Drone Builds
- Night Flying Setups
Package Includes
- 1 x Cyclone BLHeli_S 35A / 45A ESC
(Variant as selected)

