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  1. S Davis

    Luyuan battery case

    My first order shipped 2/3 and arrived 3/23, second order shipped 3/2 and arrived 4/6. FedEx went live about five days before arrival. Third order is supposed to ship this week.
  2. S Davis

    Luyuan battery case

    Only four more:-)
  3. S Davis

    New Multiplus 3000/12v (NOT MULTIPLUS II) GFCI Tripping when in charge mode at only 6 amps DC (90 Watts)

    Have you pulled a different load through the gfic to make sure the gfic isn’t bad? Sorry reread.
  4. S Davis

    What was your most interesting recent non solar project?

    Fully insulated and heated, waste water treatment in the back. Have 36”+ koi with oldest one 27 years old. Almost 6’ deep.
  5. S Davis

    What was your most interesting recent non solar project?

    Getting the pond cover off and pressure washing it for the year.
  6. S Davis

    What Mini-Split did you use, and Why?

    Make sure you leave enough clearance in front and back of the unit, you don’t want to recycle air through it. Hurts efficiency.
  7. S Davis

    House burned down

    Fire can be tricky, back when I was an apprentice HVAC guy I got called out to service a zero clearance gas fireplace. They would start it and a little while later it would make a whooshing sound so they had only used it a few times since new. The gas was leaking back in the wall cavity and...
  8. S Davis

    Luyuan battery case

    I am not going to worry about it, but I will ground the two metal racks they are going in.
  9. S Davis

    New Tariffs in the States

    Dp
  10. S Davis

    New Tariffs in the States

    yep, $6800.00 order getting on the boat next week.
  11. S Davis

    New Tariffs in the States

    I was really hoping the new Eve 560ah would be available before this.
  12. S Davis

    New Tariffs in the States

    I believe if they have not gotten through customs at the port of entry before the tariffs then yes.
  13. S Davis

    New Tariffs in the States

    My latest order is supposed to ship next week, hopefully under the wire. Depending on what happens I might get a few pallets of cells.
  14. S Davis

    Is there a MINIMUM length for mini-split line sets?

    No issues just need the tools and know how. I have a Mitsubishi with about five feet of line set.
  15. S Davis

    Looking for the best big inverter for my van install

    I have a Victron multiplus 12/3000/120 with a pair of 280ah batteries and it works great with low power draw in standby, I have the Bluetooth for it and can turn it on and off as well as set the max input to the power you have available for your shore inlet. I charge from my alternator mostly...
  16. S Davis

    Luyuan battery case

    It has worked for me saving my bacon probably at least once. Use it on all my batteries.
  17. S Davis

    Recycling Large Lifepo4 batteries

    They just passed a law in WA State that if you sell batteries you need to have a recycling system to take back the old/defective batteries.
  18. S Davis

    Luyuan Tech Battery Testing/Reports Info & More

    Just about nobody has patience anymore, my first batch of cells I paralleled and top balanced the first couple 12volt batteries 72-75 hours per pack. I then decided I didn’t need to take the time. Guess what, the two packs I took the time on are my best balanced batteries, they stay within...
  19. S Davis

    Luyuan Tech Battery Testing/Reports Info & More

    You want the cells resistance to match across the voltage range. That test report shows the resistance values at different voltages to show they match and will charge and discharge at the same rate.
  20. S Davis

    Luyuan battery case

    I contact through the app, this is the company I purchased from. They will do sample orders. You have to contact them to get a quote. I got tired of constantly moving the portable 50l fridge around and also the floor space it took up. This is the one I bought.
  21. S Davis

    Luyuan battery case

    Sounds about right, $160.00 per box with shipping Is what I have paid for boxes in my three orders. Amy didn’t charge me any extra to modify my four 12 volt boxes which is cool because she spent quite a bit of time helping get them figured out. She has been awesome to work with, if she has it...
  22. S Davis

    Luyuan battery case

    Yep, picked up a couple of 12-24 volt compressor refrigerators 50l upright and 40l drawer for about $775.00 shipped to my door. One for the work truck and the bonus drawer is going to be installed next to my workbench. Can’t hardly buy one for that.
  23. S Davis

    Luyuan battery case

    Yes each 12v will have a breaker and then to single class t and single main terminals. These are for my mobile system, I have 560ah in my work truck and will be able to add up to four of these 608ah boxes.
  24. S Davis

    Luyuan battery case

    New dual 12volt 304ah box fronts.
  25. S Davis

    Luyuan battery case

    Or maybe 24 Four more boxes and 32cells.
  26. S Davis

    Luyuan battery case

    I know, I have been planning on eight boxes in two AV racks but was looking at my work bench in the garage and started thinking I could fit two banks of six under it if I modify it with some steel. I wonder if 12 is the magic number:-)
  27. S Davis

    Luyuan battery case

    Are you using separater material between the sells?
  28. S Davis

    Work truck 12v-560ah no solar.

    Since this is going in the truck and the batteries needed to stay above freezing and preferably above 50 for capacity, I decided to heat the battery boxes instead of the cells/batteries directly. I could build two heaters and be able to swap in/out the 5 backup batteries as needed. I made...
  29. S Davis

    Work truck 12v-560ah no solar.

    So to lessen stress on the batteries I decided to mount them on 1” vibration dampers, I bolted angle to the bottom of the compression plates on the battery and mounted the dampers in the bottom of my battery boxes.
  30. S Davis

    Luyuan battery case

    I have about half my stuff so plenty to work on.
  31. S Davis

    Work truck 12v-560ah no solar.

    Yes, I have a Victron 12/3000-120 Multiplus, but rarely use it for charging. I am charging from the alternator at 50amps and increasing that to 100amps.
  32. S Davis

    Work truck 12v-560ah no solar.

    To lessen stress on the battery terminals from expansion and the other reason is I can compress the cells and parallel top balance without reconfiguring them after for series operation.
  33. S Davis

    Work truck 12v-560ah no solar.

    So the decision was to buy or assemble the lithium batteries, I spent a couple months researching and decided to assemble so I would have a better understanding and could customize the parts list. After a lot of research I decided to compress my cells as this is being used in an off road mobile...
  34. S Davis

    Luyuan battery case

    Mine are taking longer as I customized four of the boxes to twin 304 12volt batteries with cutouts for two BMS screens, breakers, switches and mounting for two BMS.
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