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  1. S

    bluetooth BMS?

    I still have these 2 Smart BMS units lying around. I am glad to see much more information on them. I had a good feeling they were decent units. I am still having the same issue with the BMS, the unit will beeping rapidly shortly after turning it on. Charge or Discharge will not work. The...
  2. S

    bluetooth BMS?

    This is the English language app that I received today. It appears to be just a translated English version of the MaYi BMS app.
  3. S

    bluetooth BMS?

    I saw a few sellers but this was the only seller with a faster shipping option. I was emailed many different apps, English language app, Russian language app, 2 different Chinese versions, and the MaYi BMS version which I was using in the picture. I never received the app that you show in your...
  4. S

    bluetooth BMS?

    If anyone knows a little bit about this BMS, I would really appreciate some help. I have 2 of these units, 300a 24s. I bought them for my 20s 10p Samsung 30Q cell pack. The problem is both of these units are showing the same fault. After 5-10 seconds of BMS receiving power, it will start beeping...
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