HOBBYWING Skywalker Quattro 20A x 4 4-in-1 Speed Control for Quadcopter

Specifications 1.20A ESC Quadcopter 4 speed controllers in1board, only 1 pair of battery wire is needed.

2.Powerful switch mode built-in BEC

Features -4 speed controllers in1board, only 1 pair of battery wire is needed.
-Powerful switch mode built-in BEC (the BEC voltage outputs from the S3 connector).
-Multiple protection features: Low voltage cut-off protection / over-heat protection / throttle signal loss protection.
-The throttle range of each ESC can be calibrated to be suitable for different multi-rotor flying control systems / transmitters.
-Maximum speed: 210000 RPM (2 poles motor), 70000 RPM (6 poles motor), 35000 RPM (12 poles motor). Product Details -Model: skywalker Quattro 20A*4-UBEC
-Cont,Current:20A*4
-Burst Current(>10s):25A*4
-BEC MODE: Switch model
-BEC Output:5V@3A
-BEC Output Capability:2S Lipo(5 servos)/3S LIPO(5 SERVOS) /4S Lipo (4 servos)
-Battery Cell:LIPO(2-4S)/NIMH(5-12 cells)
-Weight:112g
-Size:70*62*11 Item Packing -SW20A4IN1  x 1