diy solar

diy solar

Recent content by Dr Mark

  1. Dr Mark

    Growatt SPF 3000 TL LVM ES without batteries

    I found that I cannot use the power saving mode with my Growatt. I do not have experience with any other.
  2. Dr Mark

    Any thoughts on this battery evo for $500?

    I have noticed types or old model issues. I cannot speak for Evo. On the Evo website for the 12V 120 Ah battery pack, I found this:
  3. Dr Mark

    This side up?

    I appreciate your insightful reply. I wont be concerned if I need to put it upright. After watching the leaky battery video, I had been concerned.
  4. Dr Mark

    This side up?

    If I ever need to keep the battery in an upright position, I will contact them. For now I have it on the side as shown above in first post.
  5. Dr Mark

    This side up?

    I may be wrong but I think my battery has different cells. I would not be as concerned if it had the cells in the battery packs in Will's video since each cell is encased with plastic. There are 48 cells shown below in my battery pack. Not sure how big they are or how they are arranged but the...
  6. Dr Mark

    Any thoughts on this battery evo for $500?

    Did you pay for shipping? Who delivered it?
  7. Dr Mark

    Charging my Growatt capacitors

    So you are saying that having the battery and AC disconnected for 1 day, 1 week, or 1 month will not be enough time to discharge a capacitor in this type of system? I don't know how quickly capacitors lose their charge. I had a 1 farad cap in my car sound system and I always assumed it was...
  8. Dr Mark

    Charging my Growatt capacitors

    What's a solid state relay?
  9. Dr Mark

    DIY LiFePO4 battery system for Camper Conversion

    Sounds like a very interesting project. Looking forward to hearing about your progress. I did not built my 24V battery.
  10. Dr Mark

    Greetings

    Sounds good. I have that Growatt with 24V Evo battery and 2 310 watt panels. I am glad I bought it from Ian of Watts247. He has given me plenty of support. The settings are complicated and have taken me awhile to become familiar. Good luck!
  11. Dr Mark

    Greetings from Southern California

    Welcome, I teach as well.
  12. 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...
  13. Dr Mark

    Growatt 3k Power saving mode question

    Thanks for the suggestion. I think I figured out the problem (it did charge to 28V), but I did completely shutdown which may have made the difference. There are settings during the charging 19, 20, 21. There are settings for when to cutoff battery 12 and max volts for battery 13. All of these...
  14. Dr Mark

    My new setup - what do you think?

    Thanks svetz. The Growatt is only charging my battery to 26.5V. I have the bulk charge set at 28. I guess 26.5 is around 60%. I should not need to buy a charger to get it up to 28+. Ian made a suggestion but no luck. I'll keep playing with the settings. Because it does so many things, its...
  15. Dr Mark

    Growatt 3k Power saving mode question

    Same with my growatt 3000. I have to keep power saving mode disabled. It has a few bugs with settings. I cannot get it to charge battery above 27V. Ian suggested setting #1 to sbu but did not help. I just connected my solar panels so I hope that helps. Seems redundant to buy a AC charger to...
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