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๐ Elevate your drone game with power and precision!
The Readytosky 40A OPTO Brushless ESC is a lightweight, high-current electronic speed controller designed for 2-6S LiPo batteries. Featuring optimized firmware for top compatibility with popular multicopter frames like F450 and F550, it ensures reliable, adaptive performance for professional-grade drone builds.






| Best Sellers Rank | #203,715 in Toys & Games ( See Top 100 in Toys & Games ) #188 in Radio Control Vehicle Speed Controls |
| Customer Reviews | 3.8 out of 5 stars 8 Reviews |
C**M
Great value, top quality!
Great product! I put them to use in a heavy lift drone and they have exceeded my expectations! Stay cool, easy to use, and can handle the power needed for my multicopter easily! Will buy more soon!
D**.
Good value
This is a solid ESC. No BEC and not sure if the firmware can be changed or updated but it's a good performing reliable ESC
K**Y
Did not work for my setup.
Did not work with 6s battery, 320kv motors, and orange cube+ flight controller.
C**S
Don't buy! Very bad to have wires in the wrong spot
Don't buy!! their quality is terrible!!!! having the ground wire where the signal wire is supposed to be. I would have put zero stars, but I had to put at least one to submit this review.
Trustpilot
2 months ago
2 days ago