“No point in messing around - just get the official power supply and don't worry. For one, by doing so, you support the Raspberry Pi foundation - second, you have a rock solid guarantee of quality and compatibility just like all the other Raspberry Pi products.”
“Does exactly what it is designed to do, provide stable reliable 5.1v 3A of power for the raspberry pi 4 8GB.
A thick outer sheath protects the cable too.
over all a good product and a good price”