diy solar

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  • Post in thread: Growatt inverter fault 4 - help needed

    After working all day, last night my inverted started beeping at 1:30 with fault 4. It's a growatt spf 3000tl lvm es. My battery shows 58% charge and currently 45.4v so that seems odd. I'm off-grid and no customer support on Sunday and leaving for home this afternoon so would appreciate any...
  • Post in thread: Growatt inverter fault 4

    After working all day, last night my inverter started beeping at 1:30 with fault 4. It's a growatt spf 3000tl lvm es. My battery shows 58% charge and currently 45.4v so that seems odd. I'm off-grid and no customer support on Sunday and leaving for home this afternoon so would appreciate any...
  • Post in thread: Newbie help with battery sizing - which calculation is right?

    Hi, I will be building an offgrid system for my cabin and am trying to start design by sizing my batteries. I am set on lithium and my largest draw will be an AC fridge. My question is the right way to calculate the energy consumption of the fridge. According to the Energystar rating the...
  • Post in thread: Newbie help with battery sizing - which calculation is right?

    Update, I called the manufacturer and they stated typical running current ranges from (pasted below), so perhaps the elevated numbers I posted initially are max values for when the freezer defrosts itself? Do these lower number ranges seem more in line with a 345kw a year and what a 200ah...
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