Did I ruin the battery?

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  • Guest

    #1

    Did I ruin the battery?

    I recently bout a new AGM battery for the bike. At the same time, I installed the coil relay mod but accidentally switched the batt power and switched power leads and overnight it drained the battery down to 5v. Can these batteries handle that kind of discharge or did I permanently damage it?

    Thanks,
    sci85
  • tkent02
    Forum LongTimer
    Past Site Supporter
    • Jan 2006
    • 35571
    • Near South Park

    #2
    It should be fine. Might not have done it any good, but it will still work for a long long time.
    http://img.photobucket.com/albums/v5...tatesMap-1.jpg

    Life is too short to ride an L.

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    • Guest

      #3
      Whew, that's good. They are not cheap!

      Comment

      • Redman
        Forum LongTimer
        Past Site Supporter
        Super Site Supporter
        • Mar 2004
        • 13762
        • Michigan, west Michigan

        #4
        Charge the battery back up, and then see if your charging system still works.


        .
        Bikes
        Had 650G & 850G. GK since 2005. BOTM 850G 6/2024 , GK 9/2015​

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        • Steve
          GS Whisperer
          • Jun 2005
          • 35927
          • southwest oHIo

          #5
          Regardless of battery type, the sooner you can recharge it, the better it will recover.

          It may not recover quite to what it was, but since it started better than a "normal" wet-cell battery, you should be just fine.

          .
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          • trippivot
            Forum Sage
            Past Site Supporter
            • Aug 2006
            • 2815
            • Des Moines , IA

            #6
            Yes chances are you probably seriously hurt the life and storage potential -- that is the cardinal rule of AGM batteries Never fully discharge them.


            Originally posted by Sci85
            I recently bout a new AGM battery for the bike. At the same time, I installed the coil relay mod but accidentally switched the batt power and switched power leads and overnight it drained the battery down to 5v. Can these batteries handle that kind of discharge or did I permanently damage it?

            Thanks,
            sci85
            SUZUKI , There is no substitute

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            • Guest

              #7
              Originally posted by trippivot
              The cardinal rule of AGM batteries:
              Never fully discharge them.
              Ask me how I know!

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              • tkent02
                Forum LongTimer
                Past Site Supporter
                • Jan 2006
                • 35571
                • Near South Park

                #8
                Seriously hurting the battery's performance and ruining it are two different things, don't you think?
                I bet it still works fine for years.
                http://img.photobucket.com/albums/v5...tatesMap-1.jpg

                Life is too short to ride an L.

                Comment

                • Guest

                  #9
                  Yea, I have fully discharged a couple agm's and they lived to charge another day!

                  Comment

                  • Guest

                    #10
                    Yikes. Its got a warranty. Should I have them test it? I did charge it back up the next night. Seems to be holding a charge. It's at 12.75 after a 10m ride today.

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