Installs and works great. I am very impressed with the build quality. Unlike others in its class, it's made of solid metal rather than plastic. Everything speaks for quality, from the packaging to the bitmap graphics on the front of the controller. It's also small and compact. The instruction manual is one of the best I've seen and looks like it was written by someone who speaks English as a first language. (I can't speak to the other manuals that come in several different languages). I use it with the RENOGY® 100W Solar Powered Mono Folding Suitcase Kit without a charge controller. So far, so good.
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