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Thanks for all your advice. I switched to a victron 100/50 and smart shunt. It seems much better.

Controller says 13.8. Meter says 13.8 at terminals. Battery is 13.3 at terminals and shunt. Both meters agree.

On solar. Just now. Panels input 22.5 volts at 10 amps. Easy math. Output was 14.2 at 3 amps. The shunt is showing .6 amp loss. I flipped the breaker for the ac converter. 20 amps. I need to figure out a way to drain my 30 amp boat battery.

So is So is it likely that the controller is making bad decisions?

I will get the clamp meter. Voltages at controller are correct. Shunt shows voltage. I'm reporting amps from the controller and shunt agrees. Wires are good. 10 Guage stranded. I have a 30 amp hour lifepo4 battery i could hook up to see if that end of it is problem. (That sounds like an...

My uneducated theory is the controller is blocking it somehow. The led flashes slow indicating float.

Yes on the fuse. I have two meters. The one I am using is no fuse. Because I blew the other. It does scale out though. Right now. 22v at 4amp input 14.2v at 1.4 amp output. 22x4 is 88. 14.2x 1.4 is 19.88. Roughly 23% now and 28% mid afternoon.

My meter doesn't like it , but will give me a reading. I've blown one fuse already. I just can't keep it on there long. I went to the roof to check panels because I had some travel damage. I checked each panel individually. One of five was bad. I got 3 and a bit from 4 panels and 1 amp...

I'm going off what the controller says for amp output. My battery shunt shows the same minus the load.

IDK. My multimeter says the panels are producing 14 amps at 22 volts. Not all day, but mid afternoon in Corpus Christi Texas. That is me actually putting the leads on the ter inals. 14 x 22 is 308 watts. It's my understanding that the purpose of the controller is to take that 300ish...

Here goes. I've googled the hell out of this. And searched. My system consists of 4 100 watt hqst panels, a 40 amp hqst mppt controller and a 300 amp hour chins battery with a shunt meter attached. I've tried all kinds of parameters photo is of the current settings. I'm getting 22.5 volts...