diy solar

diy solar

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  1. I

    Inverter Size

    Back in the day when we were fighting off saber-tooth tigers and riding mammoths for our Sunday drive it seemed when and incandescent light bulb would blow was when the switch was flipped 'on'. Seldom did we experience one simply blowing while it was energized. That sudden surge would nail...
  2. I

    Cow burps & Farts

    Nothing to add here other than that I'm just enjoying the visual of Bill Gates running around in a pasture measuring cow farts...
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    Shocking the cat AND NOW, May 14th, a Spring bonus - THE SCREEN DOOR

    "...nylon tracksuit trousers and Ugg boots..." The official uniform of dedicated cat shockers everywhere!!! :ROFLMAO: <still snickering>?
  4. I

    Shocking the cat AND NOW, May 14th, a Spring bonus - THE SCREEN DOOR

    Dude! I've had tears in my eyes and I can't stop snickering.... :ROFLMAO:
  5. I

    How do I stop someone following me?

    Quit bathing?
  6. I

    Setting up solar for a camping trailer

    ...and a wood splitting maul warms you twice and makes for a great cardio workout!!!! Free heat *and* gym time!!!!
  7. I

    Help to connect one inverter to electrical panel using breakers

    I think the issue is that the image is too small to read.
  8. I

    Help to connect one inverter to electrical panel using breakers

    The manual transfer switch and an additional 30amp RV connection is what I've been considering. I'll have a small 1500w 12v inverter but it will only be powering some LED light circuits, a couple of small fans, and a small 20" LED television. The light circuits I intend to run 100% of the...
  9. I

    Looking for Recommendations on What Wire to Buy for 160' from PV Panels to Battery

    So, you're going to install the Bluetti out at the solar panels and run 120v AC back to the house to attain the cheaper wire/lower voltage drop???
  10. I

    Looking for Recommendations on What Wire to Buy for 160' from PV Panels to Battery

    The bolded remarks above does not exactly instill confidence in what you're doing. There's some guys on here that know what they're doing. Listen to them.
  11. I

    Cheapest solar setup to heat desperate pensioners for 6 hours a day at 37w?

    There for a while after they quit manufacturing regular incandescent bulbs you would see a pallet of them in the BBS. I think the manufacturers made extra bulbs to last for a while but the retailers just flushed them out of their systems like they were a stomach virus. Now about you find are...
  12. I

    Cheapest solar setup to heat desperate pensioners for 6 hours a day at 37w?

    Another option, though it relies 100% on solar with no battery and nighttime performance may be lacking is a solar air heater. There would need to be some heat sinks within the dwelling to accumulate heat energy during the day...masonry walls/floors, barrels of water,...something with dense...
  13. I

    Cheapest solar setup to heat desperate pensioners for 6 hours a day at 37w?

    Sure, there's things you can do but maybe not something simple like solar power appears to be to the general public. Your latitude also doesn't help with winter solar energy...a low-angled sun. ? Are you talking individual houses or possibly apartments, or dormitory-type pensioners' housing...
  14. I

    Do I need a better controller?

    Ok, thanks. I was just curious if I was skipping down the right rabbit trail with my ciphering. :)
  15. I

    Do I need a better controller?

    With very high loads during the day I can see where more pv power would be required...a major variable in the equation. A guy by the name of Richard Graylin has a spreadsheet that includes a section for specifying day or night usage by percentages. I've tinkered with it and the day/night...
  16. I

    Do I need a better controller?

    I'm just trying to figure out things myself, so at the risk of looking dumber than I really am (I really hope my wife doesn't read that part!?).... Some of you experienced guys feel free to correct my thinking!!! I'm going with the idea that the batteries are FLA. Four 12v/100Ah batteries...
  17. I

    Solving Epever Equalize Cut Out

    Does the inverter use all the idle draw or is there other areas of the AIO that use some, too?
  18. I

    EPEVER Cloud

    Hmmm, I think I'll hold off buying this. Anything else out there that works half-decently?
  19. I

    Solving Epever Equalize Cut Out

    Yeah, it's pretty tough. I figured I might be able to do as you mentioned...keep the battery topped off for when we arrive. If I get the generator tied in we could use it to charge during the day at some point...or maybe early in the evening. To the left side of the cabin it seems to be more...
  20. I

    Solving Epever Equalize Cut Out

    Thanks for the feedback. I'm only planning for some lights and a couple of small fans...and have a 7.5Kw diesel generator onsite for any heavy loads...charging batteries and maybe a well pump later on. This is a very primitive cabin...built from the remnants of a couple of 1800-vintage log...
  21. I

    Solving Epever Equalize Cut Out

    Is the MK's inverter 1000-watt or 2000-watt? The data sheets state both but the mention of 2000W includes "Max Output Power"....is that meaning surge? You mentioned the lower-priced MS model to me a while back. I'm seriously thinking about it to use at a remote cabin. The cabin will only...
  22. I

    EPEVER MPPT Solar Charge Controller 40A wattage

    The MC4s are brittle plastic or is the brittleness from extreme cold temperatures?
  23. I

    New, lost & confused.

    I can't remember the last time I saw an antelope in my backyard...matter of fact, I don't ever remember seeing an antelope in my back yard.? I see these pretty regular, though...
  24. I

    EPEVER MPPT Solar Charge Controller 40A wattage

    Any way you could make do on 25% less power production for a couple of weeks by disconnecting a panel on each string to get some VOC headroom?
  25. I

    Charge controller?

    I'd set it to the max 11.5v since (as I recall) you are only powering a small LED light. If you were starting an electric motor that might surge and cause a momentary heavy drain on the battery that would drop the voltage below 11.5v momentarily then you might need a lower setting to keep the...
  26. I

    What battery to use?

    Seriously, if *I* was investing "10's of thousands of dollars" in a solar power system I would not base it on the knowledge gained from putting together a system that I design that uses only DC power, no AC power (inverter) and that only powers a few 3-watt bulb for 6 hours using a small battery...
  27. I

    Something wrong here?

    That is just so, so wrong!!!! That middle fuse should've been a magnum!!!!!!!!!!!
  28. I

    What battery to use?

    I'm just curious...why a proof of concept for this? It's been proven that solar works. It is yet to be seen that it can power the nation, but a car...yes, a home...yes, a shed...yes, and a host of other things...even the ISS.(y) If you just like to tinker (like me) then go for it. A shed is...
  29. I

    Full Sun but not full power?

    Yep, the zero out helps tremendously, but still those numbers right of the decimal point like to wander a tad. The placement of the "hold" button is at times a help...and plumb aggravating at times, though!!! I've sat there a time or two wondering "why isn't this thing working???"...then I see...
  30. I

    Full Sun but not full power?

    I bought this meter a couple of months ago. It seems to work well but I'm definitely not an electrical engineer. The only thing that I've checked amps on has been a very small panel (~12-13 watts) that I use to keep my garden's electric fence battery charged. The small panel is in the...
  31. I

    Charge controller?

    Let's see... You're just using the solar system to keep your 35Ah battery topped-off and to sporadically power a 4.3w light. From my experience with my electric fence solar setup, your 10W panel and your 10amp controller should be more than adequate to achieve your stated goal. The reason the...
  32. I

    Please help me

    Mmmm, that is a 1-1/2 amp charger...really more of a “maintainer” than a charger. . If a single battery is at 75% state of charge and it is a 100Ah battery it needs 25Ah more to be fully charged. My limited education tells me it will take a minimum of sixteen hours to fully charge that...
  33. I

    Please help me

    OP, do you have a regular battery charger that you can plug into a wall receptacle and charge your batteries with??? I think you need to check each battery individually and get them all charged up to the same level. Having ran them unbalanced you may have some of them that are needing a good...
  34. I

    Please help me

    I *did* look at your link. The meter is completely useless for measuring DC AMPs. It has "AC CLAMP METER" printed on the face of the meter directly above the LCD screen, and only shows an AC AMP setting on the dial. There is also NO no capability of reading DC CURRENT stated in the specs. So...
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