Racerstar RS20A 20A BLHELI_S OPTO 2-4S ESC Support Oneshot42 Multishot for FPV Racing Racerstar RS20A 20A BLHELI_S ESC Features Strong adaptive ability Support Oneshot42 Multishot With Blheli_s Firmware Smaller size and lighter Racerstar RS20A 20A Blheli_S ESC Specs Peak Current(10s):25A Con.Current:20A BEC: No Input Voltage: 2-4S Firmware: Blheli_S Programming : YES Size(PCB):27*12mm Weight:7.9g Free Shipping?Shipping […]