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  1. Dr Mark

    Charging my Growatt capacitors

    I have been worried every time I turn off my battery (connected with an Anderson 175) because I do not have an easy way to use a resistor to charge capacitors of my Growatt SPF 3000TL LVM. I do not intend keeping inverter on and seems the best way to turn it off is to disconnect battery...
  2. Dr Mark

    Should a metal roof be grounded?

    I have a metal roof without a solar array. Would there be any need to ground a metal roof? I liked the video.
  3. Dr Mark

    This side up?

    I bought this battery that weighs 75 pounds (free shipping). The first thing that came to mind is which side should be up. It has a voltage meter so it would be nice if it was upside right, but that would mean the A123 cells on the bottom would be crushed(?). I would think manufacturers would...
  4. Dr Mark

    SolarTech Universal Solar Panels

    Has anyone have any experience with these solar panels? They are made in USA, but I have not seen any videos or reviews on them. I am going to buy a 310 watt panel for $200. They have bypass diodes and other nice features.
  5. Dr Mark

    Growatt SPF 3000 LVM 24V Settings

    I have setup the Growatt to an Eve battery 24V 120 Ah. I got thru settings 1 to 24 okay but there are more that are not found in user manual. There is #28, #43 to #48. I assume that they should not be changed, right? Not sure if I should go any further until I get some feedback. I emailed...
  6. Dr Mark

    My new setup - what do you think?

    I have a Growatt SPF3000TL LVM-25P and a Battery Evo 24V LiFePo4 120Ah battery on the way (free shipping for battery). I plan to get solar panels soon and to use this system as a backup for the most part. I figure I should cycle battery 2 or 3 times a year? I am not sure what sort of maintenance...
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