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  1. #1
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    How long do you stay charged on the water? Battery charging question

    So I have 3 brand new interstate batteries but I dont think I am hold a charge like it should. I have a 2 bank charger it always says fully charged but I can't make it a full day of fishing without trolling motor just dying out. How long do you guys stay charged or how long do you charge your boat before it is charged up. Give me some things to check and what I should look for, thanks for all the help

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  3. Lake Moultrie & Marion basser201's Avatar
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    #2
    All day long. Minn kota 101 and I keep my battery charger plugged all the time...
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  4. Member
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    #3
    Quote Originally Posted by basser201 View Post
    All day long. Minn kota 101 and I keep my battery charger plugged all the time...
    Yeah I kinda figured I should stay charged all day, was more looking for trouble shooting on why I'm not

  5. Member Potan's Avatar
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    #4
    You must have a bad cell on one of your batteries. Mine stay strong even in high winds an thick grass can't tell the difference from the beginning of the day to the end. Now my cranking battery on the other hand when running 2 Lowrances and live well all day IDK what to do seems weak at the end of a long day.

  6. Indiana Bass Club Moderator billius's Avatar
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    #5
    I can fish for two 8 hour days without charging. I don't like to do that, but my batteries will last that long. I never leave my charger plugged in all the time. Just charge it when I return home and for a few hours before I leave to go fishing the next time out. I agree with the above, you must have a bad cell.

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    #6
    shouldn't the number of banks of your charger match the number of batteries you are charging

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    #7
    Quote Originally Posted by billius View Post
    I can fish for two 8 hour days without charging. I don't like to do that, but my batteries will last that long. I never leave my charger plugged in all the time. Just charge it when I return home and for a few hours before I leave to go fishing the next time out. I agree with the above, you must have a bad cell.
    A bad cell on brand new batteries?

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    #8
    Quote Originally Posted by Potan View Post
    You must have a bad cell on one of your batteries. Mine stay strong even in high winds an thick grass can't tell the difference from the beginning of the day to the end. Now my cranking battery on the other hand when running 2 Lowrances and live well all day IDK what to do seems weak at the end of a long day.
    My 2 deep cycle are charged by my onbank and the cranking battery I charge with another battery. The cranking never loses any juice when I plugged it up is always is right at 95 or 100%, I wondering if something isn't wired wrong. Could be my on bank charger I guess, not sure where the problem is

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    #9
    if i interpet what you're saying right....you have a built in charger that charges your two trolling motor batteries and you use a separate charger to charge your cranking battery....buy you one of the inexpensive battery checking device from an auto parts store...one of those that looks like a turkey baster and floats 4-6 balls...check each cell of your trolling motor batteries before and after you go fishing...that will tell you if you got a bad cell or an entire battery that's not being charged....it's possible to have a new battery with a bad cell or it's possible one or both banks of your built-in charger are not charging even tho the light says they are....be sure your charger connections are clean and tight also...

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    #10
    Quote Originally Posted by bluedawg View Post
    if i interpet what you're saying right....you have a built in charger that charges your two trolling motor batteries and you use a separate charger to charge your cranking battery....buy you one of the inexpensive battery checking device from an auto parts store...one of those that looks like a turkey baster and floats 4-6 balls...check each cell of your trolling motor batteries before and after you go fishing...that will tell you if you got a bad cell or an entire battery that's not being charged....it's possible to have a new battery with a bad cell or it's possible one or both banks of your built-in charger are not charging even tho the light says they are....be sure your charger connections are clean and tight also...
    Will do, thanks

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    #11
    A bad cell on brand new batteries is not uncommon, I once had blue top Optimas one gave out in three months they sent me another one never had another problem out of them three years. Sold the boat last year.
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    #12
    Why don't we start at the beginning?? These guys with the 36v motors will far outlast us 24v guys so compare apples to apples. What size are your brand new interstates?? A couple of group 24's wont last that long but a pair of 29's should. Whats your trolling motor? Is it at least digital?? Speed coils burn batteries much faster than pulse width modulators do.

    Giving us all the information sure helps trouble shooting.



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    #13
    I have fished for almost a week in Canada on one charge. The only reason I charge them midweek is for them not to go dead while on the water.
    They are 2 Power Trolls, type 27, and 4 years old. You may have a discharge problem somewhere in the wiring. Use an ammeter and check them unloaded.

  15. Member monsterman's Avatar
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    #14
    first good post. i agree 36 volt will outlast 24 for sure.

    Quote Originally Posted by BigSlick View Post
    Why don't we start at the beginning?? These guys with the 36v motors will far outlast us 24v guys so compare apples to apples. What size are your brand new interstates?? A couple of group 24's wont last that long but a pair of 29's should. Whats your trolling motor? Is it at least digital?? Speed coils burn batteries much faster than pulse width modulators do.

    Giving us all the information sure helps trouble shooting.

  16. Member Rick Dennington's Avatar
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    #15
    I have a 3 bank charger, and I could prolly run 2 days w/o charging if I had to....but I don't do that....When I come in from the lake, that's the first thing to do...plug in the charger, once I get squared away.......Usually in about 3-4 hours, I'm topped off, fully charged, and unplug the charger.....I never leave it plugged up....If it sits for a few days I'll top off the batteries for a couple of hours before going out the next morning........I only have a 24 volt t.m., but good, strong batteries carries it right along......Sounds like you either have a bad cell(s) in one or more batteries, or your charger may be going on the fritz.......Is your t.m. working ok....? I'd start at the batteries, and go from there.........good luck...Hope u find the problem.......
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    #16
    I have actually went a day and a half on a charge. 24 volt edge interstate batteries.

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    #17
    Try charging each of your trolling motor batteries separately with the battery charger you use for your starting battery and see it there's a difference in how long they last.

  19. Tin Boats Moderator basstrackeroptimax's Avatar
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    #18
    Quote Originally Posted by Bamabassin14 View Post
    A bad cell on brand new batteries?
    Its possible to get a bad battery. Ive never had luck with interstate batteries either.
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  20. Tin Boats Moderator basstrackeroptimax's Avatar
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    #19
    Back to your question. I have Everstart trollers and Deka cranking. Leavr charger on all the time and fish all day trouble free.
    Roy
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  21. Member
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    #20
    I've never had a problem fishing all day...the charger definitely takes longer to charge after a full day in the wind but still does it within about 4hrs. 70lb MK Edge, Deka 27s (4th season), MK 330D Charger. You definitely have a problem somewhere unless you're trolling against a 20+ mph wind all day.

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