Recommended · for some experience
Crappy PSU analysis
Why people recommend it
A teardown and analysis of a cheap USB power supply, cited when people ask how to test chargers and whether bargain units are safe.
Watch for: skip the teardown for the load testing
In their words
Some really cheap ones are too good to be true.
Thomas O on electronics.stackexchange.com, May 2012. CC BY-SA.
