Home > Products > RC Multi Rotors > Electronics > HOBBYWING Skywalker Quattro 20A x 4 ESC HOBBYWING Skywalker Quattro 20A x 4 ESC 4-in-1 ESC from famous manufacturer specially designed for quadcopter application. share Facebook Twitter LinkedIn $86.00 AUD $86.00 Specs Shipping Details 1. 4 speed controllers in1board, only 1 pair of battery wire is needed. 2. Powerful switch mode built-in BEC (the BEC voltage outputs from the S3 connector). 3. Multiple protection features: Low voltage cut-off protection / over-heat protection / throttle signal loss protection. 4. The throttle range of each ESC can be calibrated to be suitable for different multi-rotor flying control systems / transmitters. 5. Maximum speed: 210000 RPM (2 poles motor), 70000 RPM (6 poles motor), 35000 RPM (12 poles motor). MAX PWM input up to 432Hz, and during real test, it works without any problem with flight controls like DJI which claims with max PWM of 500Hz. Domestic Shipping starts at $13.50 for this item plus $3.00 for each additional item . International Shipping starts at $20.00 for this item plus $9.00 for each additional item. Shipping availability to your country and Total Shipping will be finalized at check out.