They work exactly as advertised. No problem powering either my Pi3B or my Pi3B+. However, there is a catch with Pi3B+. To get a network connection I had to change my network switch settings to 100M for that port. If I left it on autonegotiate I wouldn't have gotten a link. It's not really the product's fault. This product has a 100MP IC (as stated in the description) and the Pi3B+ NIC has a 1000MP IC. This device messes up the autonegotiation of some switches. never mind It works.
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