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DIY Solar Power Forum

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Message History

Power consumption differences from grid and AIO
Trying to wrap my head around this situation. I had originally built the hand truck system with a 48v 100ah battery, Sungold Power AIO 5000w inverter and four 590w panels. Decided to move it all indoors to keep two freezers on the system in case of grid power failure. So far I have moved the AIO inverter and battery into my house and ran an electrical box with outlets for the fr...

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Never seen this more Watts output than spec sheet on solar panels.
So today on March 4th on my Solark app midday at lunch time (12-1) I took a look at my system on my phone . It's a Bright sunny day with big clouds and some rain showers around. My array is 24 x 400 watt panels for a max on paper output of 9600 watts. It's a 5 year old system and I have never seen over 9400 watts. The app is shot in time when you turn it on meaning no moving and...

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Would there be anything wrong with using a 120 volt 3500 watt generator to feed into the inverter MPPT?
I would of course pass it through a bridge rectifier with a large filter capacitor. Generator voltage should top out at about 180 volts. MPPT operating range is 125 to 450 volts. Why do it this way? This would let inverter logic control battery charging. I am using RS485 comms. In effect, this would just be an alternative power source treated the same as having a panel array pr...

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Chargeverter Power Relay Box with Power Measurement, Ethernet, HA, NodeRED, VRM
I've had a power relay switching the AC power of my Chargeverter for a while now. However, I've decided to put it into a proper box, along with some other modules for neatness, because my rack is getting cluttered. Here are the planned features of the box: NEMA L14-30 Inlet suitable for common generator power cords NEMA L14-30R receptacle to plug in the Chargeverter (wi...

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Optimal DOD (Depth of Discharge) and SOC (State of Charge)
Hi everyone, I've been thinking recently about the topic of optimal battery life settings in an off-grid situation. Like everyone else here, I would like for my batteries to last as many years as possible without compromising "too much" on their convenience. In other words, it's probably more convenient to have fewer dollars spent on batteries, however, a constant load will dis...

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