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USB Power Supply/charger Test and tear down

USB Power Supply/charger Test [image] [image] I decided to check a couple of cheap USB power supplies and also a few more expensive ones. Recently there have been some tear downs of USB power supplies on the internet, where people has shown how bad quality and safety they where, I decided to also include a tear down to see how safe they look. In the test I also included a test with a high voltage ohm meter, to see how much voltage they can handle between mains and low voltage. Note: M…