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  1. D

    I THINK I know how to hook up this BMS??!

    That is exactly how I had it (them) but it was a brick. I have them going now. It occurs to me that there should be a bms that you can plug in externally to balance / power leads - no doubt there is such a thing, and I just don't know about it. Thanks.
  2. D

    I THINK I know how to hook up this BMS??!

    That is exactly what I have done, but it doesn't work. In the ebay listing the vendor says "The default is 14 cells. User can modify it to use 13 cells very simply without any additional components." but I can't get a response from them to find out how. I suspect that bit of knowledge would...
  3. D

    I THINK I know how to hook up this BMS??!

    So, I've hooked this thing up (two of them actually to 2 batteries) and it doesn't work - No charge or discharge current. A couple of volts are detectable from both of those, but that's all. Why Oh why don't they either post clear instructions online for this kind of thing or include them with...
  4. D

    I THINK I know how to hook up this BMS??!

    Thanks. That actually does help.
  5. D

    I THINK I know how to hook up this BMS??!

    No problem - thanks for taking another look though. Another hint is that there are only 14 connections total, so if you used one of them for the B- you wouldn't be able to use the board for an S14 pack - which it is rated for. S14 Or S13. I have all the spaghetti for the BMS wired up, so I'll...
  6. D

    I THINK I know how to hook up this BMS??!

    Are you sure of that? I'm not arguing, because I have no experience to go by - but if you look at the printed circuit on the back there is a printed connection from the big B- terminal on the front to the lowest position next to the B1+ pin connection.
  7. D

    I THINK I know how to hook up this BMS??!

    So can you pretty much use any BMS card with fewer than the maximum number of cells just by connecting however many you have starting with B+1?
  8. D

    I THINK I know how to hook up this BMS??!

    First time doing this - Building a 13s 48v battery pack out of 52 18650s. Of course the BMS comes with no guidance whatsoever other than that it can be used as either a 14s or 13s manager without adding any components. My best guess is that I just connect my cell+s B1+ through B13+ to...
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