diy solar

diy solar

Recent content by craig777

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    Batteries going out of balance while charging.

    Yeah, I don't think the BMS is of the best quality. The company I bought them from is an established and trusted lithium battery supplier which is why I went with them. However, since I purchased these I have found out that they source these from a different manufacturer in china and they're...
  2. C

    Batteries going out of balance while charging.

    Thanks so much, I'll change it as soon as I'm back home. I appreciate your advice.
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    Batteries going out of balance while charging.

    Thanks for your detailed response. No, the BMS isn't programmable or accessible via bluetooth or anything like that. They're under warranty for 24 months so I'm not keen on opening them up just yet and voiding that. After the 24 months I may play around with what you're recommending though...
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    Batteries going out of balance while charging.

    Thanks for your response. Hopefully mine will then eventually balance themselves out to a closer range. I thought it was odd that the manufacturer would recommend such a high charging voltage. I'm okay with my batteries not being fully charged, my initial plan was to charge to around 80% to...
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    Batteries going out of balance while charging.

    So I recently upgraded my batteries to lithium from the old lead acids I had. I've got 2 12v 120ah batteries connected in series with an active balancer between them. according to the battery specs you can connect a maximum of 4 in series and 10 in parallel. Recommended charge voltage is 14.4...
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