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  1. #1
    Join Date
    May 2024
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    Default Re: Trolling motor batteries

    My Wal-Mart starting battery is going on 7 years now with no signs of weakening. The house battery was replaced last season at 6 years of age. Trolling batteries (2) were replaced this spring ( 6 yrs) with one 140 ah lifep04 battery ant it runs almost twice as long as the two agm batteries from walmart.

  2. #2
    Join Date
    Aug 2023
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    Default Re: Trolling motor batteries

    Update on my battery experience...
    1. It took exactly 2 weeks since I emailed Li Time Support until I received a replacement battery.
    2. I asked them what can be done to prevent the internal cells from becoming unbalanced and they claimed the BMS would do that. That's not true because the BMS didn't do it for the battery I returned - unless the replacement battery has an updated BMS.
    3. Interestingly, I see that Li Time now offers a "TM" version of their 100 Ah LiFePO4 battery. (TM stands for Trolling Motor). It has the same specs as my battery, except its BMS allows a greater amperage pull for a short time. This tells me the start up of an 80lbs Minn Kota probably tries to draw more current than a standard BMS will allow.
    So, if I had to do it all over again, I would buy a battery that allows these short-term higher draws. I would really like one with Active Balancing, but no one advertises that feature at this point.

  3. #3
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    May 2024
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    Default Re: Trolling motor batteries

    My guess is you jyst got a bad one....no matter who, a bad one can show up on ocassion. When I bought my look from TimeUSB, I called them, discussed exactly what I wanted to do with my particular trolling motor and how much power I wanted from a battery. They recommended the battery and charger, which I bought. No problems and I am amazed at how well it works. Let us know how this new one works out...

  4. #4
    Join Date
    Aug 2023
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    Default Re: Trolling motor batteries

    First trip with the replacement Li Time battery today...
    I think it did fine. It lasted about 6 hours, but I had the Minn Kota running between 7 and 10 the whole time - because it got pretty windy and I was trolling into it. I would like to compare charge time versus how it used to be, and whether one battery charges faster than the other. It used to take overnight to charge these guys back up with my little NOCO. However, the recommendations now are to store them at only half charge, so I won't get to see if the charging is the same as it was before. I assume it would be. Hopefully this new one lasts more than two seasons.

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