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Are Inverters repairable? I bought a used 3k psw inverter and it shat the bed after about 6 months of use. It just Beeps and flashes. There are No instructions for troubleshooting and cannot find the brand name on line although looks like it was never used and decent quality. I checked the...

Is there any device which can accurately measure a batteries SOC or capacity while being charged or discharged?

I am wondering if I can connect a 12volt 200ah prismatic cell battery in series with 2 12 volt 100ah lifepo batteries in parallel to get 24v 200ah ? so there are 3 batteries total. 2 identical batteries in parallel for a 12v 200ah, with 1, 12v 200 ah. I understand its a less than ideal to put...

If I have an automatic transfer switch between house and inverter, will I need to set up a relay device to pre charge 3k inverter every time it switches to inverter? or is it only when 1st connected?

4 250 watt panels, rated at 30voc and 8.5sc Hi all, my panels put out 60 vdc, only 3-4 amps . Is there a problem with diodes?