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4Pcs OPTO 20A Brushless ESC Electronic Speed Controller with BLHeli Program for QAV250 330 RC Quadcopter

4Pcs OPTO 20A Brushless ESC Electronic Speed Controller with BLHeli Program for QAV250 330 RC Quadcopter

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United States
Stock in: china

For each user order no more 5 item(s)

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Buyer Protection

  • Full Refund If you don't receive your order
  • Full or Partial Refund , If the item is not as described Learn More >
OPTO 20A brushless ESC is specially designed to meet the damand of ever popular multi-rotors. With better quality and competitive price, it will be your best choice for multirotors.

Fast throttle response.
Based on BLHeli firmware.
Extremely low internal resistance.
Specially designed for multicopter.
Super smooth and accurate throttle linearity.
The maximum refresh frequency up to 500Hz throttle signal, compatible with most flight controls.
Throttle signal is twisted pair cable, reduce the crosstalk while the signal transfer by the copper wire and flight more stable.

Voltage: 2-4S LiPo battery
Output current: 20A
Signal frequency: 20-499Hz
Firmware: BLHeli firmware
Size: 41 * 12 * 5mm (without wire)
Weight: 8g/pcs

Package Information:
Package size: 13 * 9 * 1cm / 5.1 * 3.5 * 0.4in                    
Package weight: 45g / 1.6oz
Adhesive tape package

Package List:
4 * 20A Brushless ESC


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