diy solar

diy solar

Recent content by ppzzus

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    Repurposed EV batteries?

    I think I'm out just based on the weight alone. I don't have the ability to move around a 650 pound battery much less get it out of the car.
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    Repurposed EV batteries?

    That is a crazy price drop compared to when I build my system 2 years ago.
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    Repurposed EV batteries?

    Yeah I should've included that in my original post. 48 cells! That's insane lol
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    Repurposed EV batteries?

    I can probably get the whole car for $400-500
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    Repurposed EV batteries?

    Long time no talk, which is a good thing because my solar has been running flawlessly. However I have the opportunity to purchase a 2015 Nissan leaf EV for next to nothing. There are almost zero details on the vehicle other than it seems to be in very good condition. It is a police impound...
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    EVE Cell degradation.

    Basically turned off all my gadgets for about 4 days, minus my work laptop. They came around after a few days. I had the voltages but I don't think then had the "torque" behind them to go the distance. Back to standard operating procedure. This thread definitely highlighted some things I need...
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    EVE Cell degradation.

    Do you think the BMS itself would cause a parasitic drain during storage?
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    EVE Cell degradation.

    Ah, I see what you mean. The daylight hours are only getting shorter and shorter. One thing I've always wondered is how low is too low? I don't want to push the boundaries but it would be nice to know when I need to shit my pants.
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    EVE Cell degradation.

    Yes, It was a little cloudy about half the days and sunny the rest. I could be overreacting a bit, I've been known to do that. Maybe subconsciously I just wanted to buy new toys. I'll cut down my power usage over the next few days and see what happens. Unplugged the fridge just now, looks like...
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    EVE Cell degradation.

    Oh yeah forgot to mention they are 280ah cells.
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    EVE Cell degradation.

    I wasn't worried about the panels, but the batteries. I know the BMS has built in protection but I preferred not to risk it. 3 months or so I just had it parked without touching it. The other 3 months I had the panels disconnected but that's it, no other changes. Doesn't get very warm where I...
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    EVE Cell degradation.

    20a seems to be about average compared to last year. I believe the max output of the panels output about 29.9a total at peak output (combined). 3x 315w panels in series. Charge controller is the 40a mppt controller, 4215nb iirc. I actually didn't redo any wiring between last year am now, which...
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    EVE Cell degradation.

    I live in my bus half the year, other half is in a regular house. I run a 24v system with epever mppt charge controller, 900w in panels, current connected bms. 8x eve 3.2 v cells. I stay in southern California during the winter so sunshine generally isn't a problem. Last year I was able to run...
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    Short term storage

    In getting ready to tear into the interior of my bus to redo it. This requires basically everything on the inside being stripped. I have 8 lifepo4 cells with an overkill bms. The batteries will need to be disconnected for a month or two. What's the best way to store them? Bms still connected...
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    Getting ready to install my charge controller.

    Nevermind. I hate the Android version of this app. Switch function did the trick.
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