RC drone builders and hobbyists, these Readytosky 40A ESCs are exactly what you need for your quadcopter projects! This 4-pack gives you everything you need for a standard drone build, with each ESC handling up to 40A continuous current for serious power. The 2-6S compatibility means you can use them with a wide range of battery configurations, from 2-cell all the way up to 6-cell LiPo batteries. The OPTO design means no built-in BEC, which is actually great because it reduces heat and weight - you'll just need a separate BEC for your receiver and servos. The specially optimized firmware makes these ESCs highly intelligent with adaptive ability, so they work smoothly with various motors and setups. At about 33.2 grams each, they're lightweight enough not to bog down your drone's performance. Perfect for F450, F550, S500, ZD550 frames and other similar-sized quadcopters and RC helicopters. The build quality feels solid - these aren't those cheap knockoff ESCs that fail after a few flights. Setup is straightforward, and they play nicely with most flight controllers. If you're building or upgrading a drone and want reliable, powerful speed controllers that won't break the bank, these Readytosky ESCs are definitely worth considering. They deliver consistent performance flight after flight, which is exactly what you want when you've invested time and money into your RC build. Your drone will fly smoother and more responsively with these quality ESCs handling the motor control!
Free 30-day returns 
Free 30-day returns
