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๐ Elevate your drone game with intelligent power and precision control!
The Readytosky 40A OPTO Brushless ESC is a lightweight, high-performance electronic speed controller designed for 2-6S LiPo batteries. Featuring optimized firmware for excellent compatibility with popular RC quadcopters like the F450 and F550, it offers intelligent adaptive control and reduced signal interference for smooth, reliable flight performance.






| Asin | B0CCVR6WS9 |
| Best Sellers Rank | #126,108 in Toys & Games (See Top 100 in Toys & Games) #59 in Radio Control Vehicle Speed Controls |
| Customer Reviews | 3.8 3.8 out of 5 stars (8) 3.8 out of 5 stars |
| Item Weight | 4.6 ounces |
| Manufacturer | Readytosky |
| Manufacturer Recommended Age | 18 months - 3 years |
| Product Dimensions | 4.5 x 3.5 x 0.78 inches |
User
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!
User
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
User
Did not work for my setup.
Did not work with 6s battery, 320kv motors, and orange cube+ flight controller.
User
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 weeks ago
2 weeks ago