This UBEC is an external switching mode DC-DC regulator; it draws DC voltage from 2-6S LiPo battery, drops it to a voltage level that is suitable for your receivers and other electronic devices, and keeps providing the stable current output of 3Amp. It's compatible with different brands of ESCs.
Spec Check:
Output Voltage/Current: 5V@3A / 6V@3A (adjust via jumper cap)
