Readytosky 2-6S 40A Opto Esc


Out of stock

Approx Restocking Date: 25 to 30 Days
SKU: 1272173
  1. Brand: Ready to sky
  2. Model: ReadytoSky 2-6S 40A
  3. Current: 40A
  4. Burst Current(10sec): 60A
  5. Weight: 26g


(Including GST)

Out of stock

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15 Days Warranty
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Brand: ReadytoSky
Category: (ESC) Drone Speed Controller

An opto ESC isolates the high-power side (battery and motor) from the signal side (connection to the receiver) by internally transmitting the receiver throttle signal from the input side to the output side of the ESC through an opto-coupler.

ReadytoSky 40A 2-6S ESC is specifically made for quadcopters and multi-rotors. Which provides faster and better motor speed control giving better flight performance compared to other available ESCs.

ReadytoSky 40A 2-6 ESC comes with a multi-integrated special program, fast throttle response, surpasses all kinds of open-source software. Firmware was optimized specifically integrated circuitously for the disc motor, and it has very good compatibility and this ESC is compatible with 2-6s Lipo Battery.

Due to ultra-low resistance MOSFET, it has a strong flow capacity. With MOSFET special driver integrated circuit, its performance and stability far surpass the driving circuit with discrete components built.

If you are wandering to build a drone and don’t know what will be the best ESC for you then worry no more, we have got your back. At Robu, we have everything for you to get started with your drone project.


  1. Using Multi integrated circuit opted special program, fast throttle response, surpasses all kinds of open source software
  2. Firmware was optimized specific integrated circuit ally for disc motor, and it has a very good compatibility
  3. Highly intelligent, strong adaptive capacity, reserve the timing setting item (height/middle timing), easy to use
  4. Throttle signal line is twisted wire to reduce crosstalk within the transmission signal generated by the copper, so that more stable flight
  5. Supports refresh rates up to 621Hz throttle signal, compatible with various flight controllers. (Note: the throttle signal over 500Hz are all non-standard throttle signal)
  6. Using MOSFET special driver integrated circuit, its performance and stability far surpass the driving circuit with discrete components built
  7. Ultra-low resistance MOSFET, strong flow capacity

Package Includes:

1 x ReadytoSky 2-6S 40A OPTO ESC ( 3.5 Banana connector)

SKU: 1272173 Category:

Ready to sky


ReadytoSky 2-6S 40A



Burst Current(10sec)



ESC (Electronic Speed Controller )



Lipo Cell



Hobbywing Xrotor 40A




RC Multi integrated circuit opted





Shipping Weight 0.034 kg
Shipping Dimensions 12 × 9 × 2 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China