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Ok, I guess I should get something like this. Claims 80A and 150 volts. Should be able to handle my 4 panels (265 watts, 8.7 amp, 31 volt each) https://a.co/d/2xcoeoO

Just for fun, I asked ChatGPT 4 this question. Here is its answer: Your idea of combining PWM (Pulse Width Modulation) and MPPT (Maximum Power Point Tracking) charge controllers to manage your solar setup is innovative and shows a good understanding of the trade-offs between cost and efficiency...

Will, I think I understand that you have a PWM and a MPPT both charging the same battery bank. Do you use the same panels for the MPPT and the PWM chargers? Or is this one set of panels for the MPPT and a different set of panels for the PWM?

I have about 1060 watts of solar at 33 volts and a 12 volt battery bank on my van. I'd like to run a small AC so I need as much juice as possible. I'm thinking a 2000 watt PWM would be able to handle most of the work but is not efficient. My understanding is that the PWM has to leave some of...

Where do I get a battery voltage switched relay?

That's what I do if i'm in my right mind. But that 3am BEEEPPPPPPPPP make me just flip the switch. But I have noticed if I just turn off the AC the beep stops.

I did it. For anyone curious, here's how it went: I installed a $700 Ebay no-name "toshiba inverter" "12000 BTU Air Conditioner Mini Split 19 SEER INVERTER AC Ductless Heat Pump 110V" and a $170 "ce rated" It has a heat pump and a wifi phone app. I also installed an Ebay no-name 24 volt 1500...

I live in the Tampa Bay area. I have a little DIY solar set up. I'm always moving things around and playing with different components. I'm seeing that I can get a net meter just by asking here: https://www.duke-energy.com/home/products/renewable-energy/generate-your-own " Net metering...

So does the AC just turn back on in the morning when the power turns on?

That's a great point. I don't have an answer to your question. But even if the batteries are dead, I'm hoping the solar should still run the mini split with a battery plugged in and turn off when the battery (or battery bank) dies. Maybe the batteries last all night. Maybe the batteries last 5...

My power bill is mostly from my central HVAC. I want to run a mini split run from solar to offset my power bill. I am in South Florida and have 6 panes, totalling 1.5 KW ( of 33 volt solar panels. There are run as 3 units of 2 (66 volts each) to a 60 amp MPPT and about 5 deep cycle marine...