diy solar

diy solar

Recent content by kfulmer

  1. kfulmer

    Calculating Ah

    Thank you! this is perfect.
  2. kfulmer

    Calculating Ah

    Ok. so these would be, from a $ per watt hour. be better than ripping a 100ah 12v generic battery. A 12.8 V version would be 235ah and 3000 ish watt hours.
  3. kfulmer

    Calculating Ah

    If I have 4 235Ah 3.2V cells in series for target 12.8v, what is my final Ah calc? is it 1/4th or the same? Probably a dumb question but having a hard time finding info on it. Trying to make a 36v pack to replace golf cart battery. Side note - i know you can order these cells for like...
  4. kfulmer

    Problems with gfci inverter outlet

    I don’t. It’s just what is on the side of my house for shore power. Just worrie me if I get into a campground I won’t be able to use a 15 amp connection if that’s all that is available and it’s gfci. That being said, it would be nice to plug it into my house without worrying about it
  5. kfulmer

    Problems with gfci inverter outlet

    I have not tested with any other loads. It seems to be fine for a few hours then boom. I have not grounded the mini to the chassis other than through the mounting hardware.
  6. kfulmer

    Problems with gfci inverter outlet

    Having a similar issue. Any updates?
  7. kfulmer

    Battery Question

    its an ANL fuse. I should have been more specific
  8. kfulmer

    Battery Question

    What fuse would you recommend? I have a 100amp inline handy.
  9. kfulmer

    Battery Question

    I have 4 100ah Lifpo batteries. They are currently hooked up in 2S2P for 24 volts/200ah. I have acquired 2 additional batteries, 12volt 200ah each (so basically like 2 12volts in one). Can i wire these 2 new batteries in series for 24v/200ah then add them in parallel to the other bank?
  10. kfulmer

    Series vs Parallel Question with odd number of panels

    Thank you and the others for your input. This is the most responsive forum i have ever participated in! I am going to see if I can squeeze another panel on the roof. If so, I will do the 3S2P. If not, I will do the backup. This will make my install so much simpler. I will add pics of...
  11. kfulmer

    Series vs Parallel Question with odd number of panels

    True. Going to be 28 in Tampa Saturday. This is the all in one I was looking at (150v max) https://www.signaturesolar.com/products/3kw-24w-150vac-80a-off-grid-inverter-by-growatt?ref=cPwLcVc0SW-BjN
  12. kfulmer

    Series vs Parallel Question with odd number of panels

    Attached is a pic of the panel label if that helps. I will never be somewhere where the temp will be below 25 degress F. I live in FL so mainly south east travel.
  13. kfulmer

    Series vs Parallel Question with odd number of panels

    Your right, I had 80amp in my head when I typed. its rated for 10.24A OK. this is what I was concerned about.
  14. kfulmer

    Series vs Parallel Question with odd number of panels

    Voc is 41.3 Was looking at Growatt 24v ( I will have 4 100ah battery bank) Currently have a Victron 250/60 MPPT on order
  15. kfulmer

    Series vs Parallel Question with odd number of panels

    I have 5 330 watt panels that I am planning to install on a cargo conversion trailer (24ft) In series, the system produces ~80 amps and ~250 volts. This has made it hard to find a good "all in one" unit and requires me to find ad hoc components (= expensive) Question - is it safe/possible to...
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