I have a switch mode power supply board that was removed from an unknown piece of equipment. I know that the output is 5v, but I need to be able to determine the maximum current that this supply can provide. I need at least 2 amps. I now how to load the supply and measure the current used, but I don't want to load it to 2 amps if it can't actually handle that and risk damaging it. Is there any other way to accomplish this? Thanks.