I bought this power supply along with my Raspberry Pi 3 B+ board. However, when I tried to use this power supply with the Pi and a USB controller, I got low voltage warnings. Looking through other reviews, I've seen similar posts from others. I'm not sure if these units are underpowered or if there is a quality control issue, but I would advise the buyer to be cautious nonetheless. I returned this unit and bought a CanaKit power supply instead. I had no problems with that.
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