What is the driving power supply of 20wled lamp?

As long as the voltage is suitable, the driver with more power than the LED lamp can be used.

Just like the power supply in your home, you can light one light bulb or more light bulbs, as long as it does not exceed the load capacity.

Its output voltage must match the lamp string; The power that can be driven is as follows:

20W uses more than 20W driving power supply. It is usually increased by more than 40% as a backup to make up for component errors and voltage instability.