diy solar

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  • Post in thread: Growatt SPF 3000TL LVM or SPF 3000TL LVM-ES

    I had actually had preordered the Renogy but had not installed it yet. Will did a video on it yesterday which turned me off on the product. I'm going to be returning it and going with a Growatt. I'm debating between the 2 you have listed. Also considered the MPP. I'm running 6 panels 345w...
  • Post in thread: BigBattery.com 48V LAMA - LiFePO4-115Ah-5.3kWh

    I actually managed to get another one they happened to "find" somewhere back in the warehouse after asking for 7 months when they would get more. I was told it was new. I got it last week and finally hooked it up to my growatt yesterday and when I powered on it was only at 43.8V! Apparently...
  • Post in thread: Parallel LFP batteries drop voltage during absorbtion, what causes this?

    I received a Lamma last week that is giving me some issues. It seems that it was not charged, so out of the box its 43.8v! When connected to the Growatt, the voltage jumps all over the place on the display and as a result its not really charging it. I tried to charge with my golf cart charger...
  • Post in thread: Advise on setup from a newbie

    I'm completely new to solar and started researching it seriously a few months ago. I live in Texas and experienced several days without any power and it made me realize I need to have some sort of backup. I'm currently in the process of building a detached garage a good distance from my house...
  • Post in thread: Parallel LFP batteries drop voltage during absorbtion, what causes this?

    Yeah I figured they were out of balance, is there any other way to balance them? I actually haven't tried doing the LVCO, I think its set on my inverter to 42, maybe I'll try to increase that?
  • Post in thread: Advise on setup from a newbie

    I think I should be able to cut out some of the tree limbs when I do my install to help with shading. I'm actually going to return my Renogy unit, I would rather go with a Growatt or MPP. I'm considering the 3kw Growatt, I'm not sure if you have any advise on what you prefer between the two...
  • Post in thread: Advise on setup from a newbie

    Thanks for your reply, it would probably be just 1 panel shaded at most. I actually just came across the Tigo optimizers after my post mentioned and it was the first time I had heard of them. I can probably trim some of the trees to help with the shade or position it better on the new roof...
  • Post in thread: Parallel LFP batteries drop voltage during absorbtion, what causes this?

    Thanks, but it looks like I may be needing to send it back. I really wish they would have just tested it prior to sending in. I didn't want to open the seal to dig further. At least they are taking care of the shipping. Its probably one of the only lamas left so I'd like to get it fixed so I...
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