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  • #16
    Originally posted by stekicar View Post

    I do not know if I want to do this. I am not willing to gamble again with AGM batteries
    .
    There are plenty of relatively cheap non AGM, L-16 batteries. out there. Some should be good for 10 years or more provided they're properly maintained.

    2.2kw Suntech mono, Classic 200, NEW Trace SW4024

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    • #17
      Originally posted by Mike90250 View Post
      How old are they ?
      Were they commissioned properly ?
      Had any been overcharged and vented gas ?
      I bought first 4pcs in May 2017. Then 8pcs in September 2017 and another 8pcs in January 2018. I was using them up to 50% DOD overall. Why I say overall? Because I did not know that first batteries were draining faster. I was just monitoring overall voltage, not each battery voltage. I replaced, under warranty 12 of them so far. First 4 I bough are rock solid, well maybe, except one. All others are joke. Those I replaced vented gas, had a blob on the wall and all crazy stuff. I know my charging settings are correct though. I use Victron MPPT.
      I sent an e-mail to manufacturer and they responded this time. They told me, once a week just charge batteries for 24 hours and not to use them so they have time to

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      • #18
        Originally posted by littleharbor View Post

        There are plenty of relatively cheap non AGM, L-16 batteries. out there. Some should be good for 10 years or more provided they're properly maintained.
        I agree with this. But, they are still expensive for me. Wish I went that route from a start.

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        • #19
          Originally posted by stekicar View Post

          I agree with this. But, they are still expensive for me. Wish I went that route from a start.
          Yet you are talking about switching to lithium, huh?
          2.2kw Suntech mono, Classic 200, NEW Trace SW4024

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          • #20
            Originally posted by littleharbor View Post

            Yet you are talking about switching to lithium, huh?
            Talking and actually doing it are two different things. I guess, you did not read the whole thread or I was not clear enough. What I said is that I will start investigating options for LiFePo batteries but I will not do anything for couple more years. Hopefully, price will drop down enough and my knowledge about LiFePo will go up enough to make a decision.

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