BLHeli-S FPV ESC 20A Brushless Speed Controller
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The BLHeli-S 20A ESC delivers ultra-smooth throttle response for the most stable and responsive FPV flying experience. Pre-installed with BLHeli-S firmware and a dedicated driver chip, it supports Multishot, Oneshot125, and Oneshot42 protocols. Compact and lightweight at only 4g, this ESC is ideal for 2-4S LiPo setups in racing drones and mini quads.
add_circle The Upside
- check Smooth and precise throttle control for better flight handling
- check Lightweight and compact design for space-constrained builds
- check Wide input voltage range (2-4S LiPo) for versatility
remove_circle The Downside
- close No BEC (OPTO), requires external BEC or separate receiver power
- close Limited to 20A continuous, may not suit high-power setups
- close Firmware updates require BLHeliSuite and an adapter
Specifications & features
Key features
- check_circle Ultra-smooth throttle response with BLHeli-S firmware
- check_circle Dedicated driver chip with bootloader compatible with BLHeli-S
- check_circle Supports Multishot, Oneshot125, Oneshot42 protocols
- check_circle 20A continuous current, 25A burst for 10 seconds
- check_circle Compact size: 23.5×12.5×3mm, weight: 4g
Specifications
BEC
N/A (OPTO)
Burst Current (10s)
25A
Continuous Current
20A
Firmware
BLHeli boot loader & BLHeli-S firmware
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