4PCS Racerstar RS20A 20A BLHELI_S OPTO 2-4S ESC


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Specification:
Brand Name: Racerstar
Item Name: 20A BLHELI_S ESC Electronic Speed Controller
Model: RS20A
Con.Current:20A
Highest point Current(10s):25A
Input Voltage: 2-4S
BEC: No
Programming : YES
Firmware: Blheli_S
Weight:7.9g
Size(PCB):27*12mm

Features:
With Blheli_s Firmware
Support Oneshot42 Multishot
Smaller size and lighter
Strong adaptive ability

Package Included:
4 x Racerstar 20A ESCs



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