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  1. carl2591

    Solar. 1 year in. Texas

    Great informative post on home solar for sure.. In the large solar array business it steady for the foreseeable future. Batteries are becoming more and more a part of the large solar farm to help offset the low output at night helping to keep the power supplied constant.. as for texas heat. get...
  2. carl2591

    Can you extend the wires on bluetooth.??

    Yeah saw this .. way above my paygrade. looking for a easier way to make it happen.
  3. carl2591

    Solar Economy, is it healthy?

    you can buy good quality "preowned" solar panels at santan solar on there website.. just add dot com to santan solar to get them. They have some new overstock panels, some that have minor damage like the frame got bent or one panel scrapped against teh glass on another one making some marks that...
  4. carl2591

    low voltage disconnect below 22 volts shuts entire camper down shore power will not charge or change anything.

    can you plug battery charger to 120v power.. if so do that.. no need to suffer if not needed.
  5. carl2591

    Eco flow Delta pro... Can you use a predator 2000 gas generator to charge on a cloudy day?

    best way is to plug rv power cord in with adapter or just use extension cord to battery charger and let it rip..
  6. carl2591

    Can you extend the wires on bluetooth.??

    how far can you extend the wire on bluetooth dongle on the JDS bms controllers?/ i need to put them up higher and est about 4 ft of wire needed.. I was just going to cut the wire and add the extra between plug and receiver.. same gauge or larger ?? I was going to use butt splice for teh most...
  7. carl2591

    Solar Hot Water Heater from 2007

    Excellent video.. When i was in HVAC class in the 80's the roof mounted water solar heating systems were still in use from the Carter years. We did something along these lines but using 1/2 copper tubing, (it was much cheaper then) as it was the only good quality tubing we had at the time...
  8. carl2591

    Best way to parallel these batteries?

    roger that on the breaker.. that is on the list to upgrade.. seldom pull more than 20 to 30 amps..
  9. carl2591

    Best way to parallel these batteries?

    So I added another battery 230 amp hour to my existing 230 amp hour set that's already wired I'm thinking if I put the black wires together since the neutrals are both on the same end of the battery now and then where the red wire comes across the terminal on the battery to the left just cut...
  10. carl2591

    Safe to mount rigid panels on the over-cab roof of a class C?

    FOR sure not rubber.. alum only.. some fiberglass composite wall board type roofs might work but rubber is a screw down to wood for sure. :) the rubber is just floating or with a not so strong glue under it..
  11. carl2591

    Safe to mount rigid panels on the over-cab roof of a class C?

    I can tell you from experience if the VHB tape is installed correctly it is going to take more than like 75 mph winds to remove them from alum surface.. I would image it seem that is not enough but the place in oregon that has installed 100's if not 1000's by now on all sorta roof using just VHB...
  12. carl2591

    Does this mean its dead?

    So tried the xiaoxang app, (little elephant) and it now seem to be working??.. it look weird with nothing hooked up but the BMS so next stop of to put some wires on to BMS and put some volts to with the solar system..
  13. carl2591

    Does this mean its dead?

    So i tried removing and replacing wires,, checking on each pin of plug volts was good.. tried both apps and while the bluetooth work fine i get no voltage info to load.. so it a fricken another piece of chinese crap.. do to my time constraints not able to get replacement so looks like it might...
  14. carl2591

    Does this mean its dead?

    LOL.. yeah just test setup the little red wire..on the B terminal.. The cells tested at 3.28 each.. did not check on pins will have to do that next.. will try the JBD app as well to see if it will be better... I did try the plug on my other JBD bms that is working fine and got one blue bar...
  15. carl2591

    Does this mean its dead?

    So I hook it up to my other working JDS BMS and only get one blue line that shows voltage the other three just are barely showing and I get low voltage alarms so I don't know what the heck is going on.. I wiggled all the wires all the terminals are tight so I don't have a freaking clue what the...
  16. carl2591

    Does this mean its dead?

    I got a bms delivered month or so ago and not able to check. Now when doing bench test I get this. Do not remember doing anything different on other units.
  17. carl2591

    Got this Jiabaida DP04S007 and have questions..

    Oh so more like a master ON OFF switch for teh BMS vs having to take the red or black wire off to reset it if needed or shut off... So not something i really need for my application.. if it not plugged in .. guess i will find out when i set up on batteries.. either not plugged in or plugged in...
  18. carl2591

    Got this Jiabaida DP04S007 and have questions..

    So how do I use this? ? My other jds did not have this wire. Where is manual? That would be helpful.
  19. carl2591

    Got this Jiabaida DP04S007 and have questions..

    Wondering what the two wire connection is on this. Is red and black wire. The rest is familiar. Thanks
  20. carl2591

    Got cells in and one shows moisture in center blue thing!@!

    The voltage has been fine.. when they came in early feb they measured 3.3 now the end of april they measure 3.28 the number for all are the same.. 3.28 for all 4 cell.. might just put a bit of tape over it and not worry.. they will be standing up for operation.. and the cell are not swollen...
  21. carl2591

    Got cells in and one shows moisture in center blue thing!@!

    what is under the blue thing in the middle?.. the tab appears to be some kinda alum?? the top blue part was loose so I peeled it back and touched the thing and it was metalic a bit. there does appear to be so liquid in there just not sure what.. the cells were shipped laying down..
  22. carl2591

    Got cells in and one shows moisture in center blue thing!@!

    not sure if water/moisture or what it is. did not have a battery acid type smell that I could detect.. Have been exposed to BA and know what it smells like .. could be more of a case of moisture as they are in my daughters shed and the weather has been cold then hot etc and this area has some...
  23. carl2591

    Got cells in and one shows moisture in center blue thing!@!

    So I get four cells in. One is bad or I suppose it's bad it has a little bit of moisture on the outside of it and the blue ball or bulb in the center has moisture in it. the voltage checks out fine 3.28 volts and they were in the box the way they were shipped laying on their side with foam all...
  24. carl2591

    DC amp clamp that will record usage over period of time.

    was trying to figure a way to measure DC amp draw on a 12v refrigerator in RV over a period of days to see that normal amp draw is to make sure we have enough solar and lithium Ah's.. currently there is 560 watts on roof but only 20 amp CC and i have another 335 panel on top of pickup with...
  25. carl2591

    DC amp clamp that will record usage over period of time.

    Was hoping to find a low cost DC amp clamp or sensor with monitor that will record amp draw over a period of time up to like 7 days.. anything come to mind.. link if you have it..
  26. carl2591

    Vivarium heating pads for storage batteries?

    did you read reviews on amazon.. seem it melts down from low air flow.. hope your works better.. let uf know it look like a interesting thing.
  27. carl2591

    think i miss ordered new batteries.. :(

    here is waybill info they sent.. When I did a search on the cargo ship it does show as coming to LA in late jan. with the post of call listed so i am thinking legit??
  28. carl2591

    think i miss ordered new batteries.. :(

    For the 280 ah grade A lithium on Ali express Oye Store with shipping was 670 US.. I ordered them Dec 8th.. ( was checking on docan and see the price is now about the same..:( ) I ask about shipping and tracking info as the stuff on teh website is sorta lame.. I got this waybill info...
  29. carl2591

    think i miss ordered new batteries.. :(

    thanks for the video.. I watch Andy much as i watch will.. both great.. :)
  30. carl2591

    think i miss ordered new batteries.. :(

    thank for all the good info.. make be feel better now.. now to figure out where and when they might deliver to NC.. purchase date was 8 dec 2022..
  31. carl2591

    think i miss ordered new batteries.. :(

    far as I know they are LiFePO4.. just your regular run-o-d mill lithium.. got them from Amy at Docan power last year or so. So i can parelle hem no problem,, same charger etc.. that would be super great.. guess the total AH will drift to 230 for total of 460 vs 230+280 = 510 ah.
  32. carl2591

    think i miss ordered new batteries.. :(

    Ordered some what i thought i was ordering was 230 adn got 280 AH by mistake.. (gotta stop drunk ordering it seem) my current system has 4 -230 ah cell and and was wanting to add another set of 4 -230's.. Is it not cool to mix the Ah of them connected to same system?? what is solutation...
  33. carl2591

    LiFePO4 Voltage Chart?

    I am in the same boat.. adjusted the CC to 13.5 and float at 13.4.. don't need the high volts to fully charge a lithium.. or charge them to a good point for long life..
  34. carl2591

    LiFePO4 Voltage Chart?

    that sounds like a lead acid battery charger.. if you use it,, i use a 3 stage boondocker 45 amp charger on my RV, only use it to charge the lithium when needed.. I keep mine unplugged 95-99% of the time only using when many days of low or no sun or under tree in RV park so the solar get little...
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