Recent content by Samsonite801

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    Over 5 inches of rain in 28 hours - worst solar day ever.

    Your Onans are 1800 rpm dual-pole aren't they? I have an Onan 6.5 1800 rpm on my motorhome and it's way quieter than the 3600 rpm ones, not anywhere near as obnoxious as this Honda at my parents place...
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    Over 5 inches of rain in 28 hours - worst solar day ever.

    Yeah they definitely do have a 6.5 kW Honda generator wired into a dedicated critical loads panel and have a manual transfer switch for now (dual breakers in aux panel with joining bar). The good thing is they built the house to start with 20 years ago with a critical loads panel for generator...
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    Over 5 inches of rain in 28 hours - worst solar day ever.

    Yeah wow, sounds like here now. I'm visiting my mother in the PNW Washington for a couple weeks and they're getting hit bad right now with record rainfalls... https://www.washingtonpost.com/weather/2021/01/12/atmospheric-river-pacific-northwest/ She was asking me about some solar options for...
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    100% off-grid system from the ground up, literally.

    Not really any progress lately, for the holiday had to go run to Michigan and helping a family member install a Mr Cool 4-zone HVAC at his house as it's too cold here. So my life as a solar enthusiast is like on total hold right now, I'm more like a wannabe HVAC guy for the last couple weeks...
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    My next inverter! (Sol-Ark)

    They gave us 10% discount for having an order of 20 or something like that... (I think we filled our first 10 and committed to another 10 on next order which may have already completed now).
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    300 V/100 amp, volt, current, watt meter question.

    It's all great bro, we're in this together hehe I have my silly moments too... :geek: I had one recently where I thought I was buying a 48v > 12v DC-DC converter (hey that's what I thought the pic was of), but when I got it, it was just a little tiny IC chip! It does look in the pic like it...
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    Controller for 175W panel to 200Ah LiFePo4 battery

    Cool, yeah it looks like you can also get the BT-2 bluetooth module for it and get some advanced app management functions as well...
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    Controller for 175W panel to 200Ah LiFePo4 battery

    More info: https://www.renogy.com/content/Manual/DCC50S%20DC-DC%20MPPT%20Manual.pdf
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    Controller for 175W panel to 200Ah LiFePo4 battery

    Perhaps you should look into that DC-DC (with MPPT) charger that Renogy offers, since it can do both charge from alternator and from solar: https://www.renogy.com/dcc50s-12v-50a-dc-dc-on-board-battery-charger-with-mppt/ It is safer to charge lithium (via alternator) using a DC-DC charger...
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    300 V/100 amp, volt, current, watt meter question.

    It is just the measured resistance, in ohms, on the load side:
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    400 watt HQST Solar Panels Actually Output 400 watts!

    Is that 400w SLC or NOCT? (Assuming SLC)...
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    Controller for 175W panel to 200Ah LiFePo4 battery

    Is that the highest wattage panel you could find for the size? What are the specs on your panel (Voc and Isc)?
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    Winston DIY LiFePO4 battery not charging from Votronic VCC 1212-90 battery to battery charger??

    That's why if it were me, I'd plug on a standalone voltmeter and amp probe onto the battery leads and try to watch real numbers as I was playing with the chargers. Also to isolate, I would disconnect the adjacent charger while I was testing with one of each charger just to rule it out of the...
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    charge controller size

    Yeah, and just to clarify, with 2 panels, you would want to wire them in series, not parallel, you will have better results, as it ensures your PV voltage is well above battery voltage, so the MPPT has plenty of wiggle room to control the battery charging.
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    Winston DIY LiFePO4 battery not charging from Votronic VCC 1212-90 battery to battery charger??

    It's possible, did you read this manual for it? https://123electric.de/img/cms/123SmartBMS_gen3_manual.pdf I see several settings in there which could lead to the BMS disconnecting. Do you also have a voltmeter and amp probe for side monitoring while you're troubleshooting what is going on?
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