Works as promised. I have used it to charge up several different lithium batteries (100 Ah, 20 Ah) with a 100 watt panel initially, and now I have added a second 100 watt panel in parallel. These panels are rated at about 6 amps, so charging is slow, but steady, compared to a plug-in charger for lithium batteries that I have that runs at 20 amps. Readouts are easy to see and give me real-time info on how the battery is charging or how the panels are functioning and angled at their best. Looking forward to trying it out with several batteries in parallel under stronger sun conditions next summer. It was easy to assemble and connect once I purchased additional adapter connectors to go from SAE cables on the panels to the standard MC4 plugs that this unit comes with.

Nice kit, very well made.

So far so good! Haven’t used it alot yet but I’m happy I have it installed

Great product! Works exactly as advertised!

Awesome

only complaint is that the directions are not clear on where the temp wire goes ground or pos. app is difficult to use but it works as it should. the battery’s are unbelievable great.

Works great

Very fast shipping

Just got it installed and I’m new to it but it works well as far as I can see. I will update it when I take it out on the water.