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Jan 23rd, 2013
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Battery or trolling motor issue? #10627963 02/18/15 05:18 PM
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MikeB123 Offline OP
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I have a 24v setup with everstart 750mca 27dc. Next month they'll be a year old. The past two trips they lasted about 3 hours. Had the batteries tested at wal mart and auto zone, both said they were good and had a little over 12 volts. The water/acid level does seem a little low as I can hear it sloshing around. Could this be an issue with my trolling motor armature? Trolling motor is a motorguide tour 75lb, probably a 2007 model.
Anyone have recommendations on trouble shooting before I buy new batteries?

Thanks,
Mike

Re: Battery or trolling motor issue? [Re: MikeB123] #10628013 02/18/15 05:43 PM
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Topwater2 Offline
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Is the water/acid level above the lead panels? As long as they are covered and you don't have a bad cell (which is possible) and may not show up when tested you should be good to go. Had this problem with a Napa battery until they exchanged it and problem went away. I also replaced the 27 with a 31 and that made a huge difference, run all day and power to spare.


FishKen
Re: Battery or trolling motor issue? [Re: MikeB123] #10628094 02/18/15 06:25 PM
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crabtrap Offline
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Quick easy check...pull the prop and check the arbor for fishing line wrapped up causing excessive amperage. Could also check the brushes. For a motor that old, with typical usage, they are probably due for a change. Finally, check all connections for corrosion, clean as needed.

Re: Battery or trolling motor issue? [Re: MikeB123] #10629429 02/19/15 03:41 AM
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cowtown Offline
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I've had those same symptoms twice over the last 3 years and both times it turned out to be a dead cell. The battery tested OK for voltage but a hydrometer test indicated a dead cell. Charge the batteries and check each cell with a hydrometer. Hydrometers are cheap at Walmart ($10-$15).

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