LED power supplies

What characteristics are important? What do the characteristics mean? How to measure parameters cheaply?

We teardown and tested in different modes LRS-150-24 power supply from Mean Well. It's a 150W single-output enclosed-type power supply with a 1 3/16" low-profile design. Adopting the input of 115VAC, the power supply provides an output voltage line of 24V DC.

Teardown/test of a power supply from a well-known manufacturer. Manufacturing quality, circuitry, output voltage quality, waveforms.

A teardown / review of a well-known power supply with wireless control. Manufacturing quality, circuitry, output voltage quality, waveforms.