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Minn Kota Ulterra - Losing Battery Quickly
Posted on 5/3/21 at 11:55 am
Posted on 5/3/21 at 11:55 am
The last 3 times I have taken my boat out fishing I have noticed that after 4-6 hours of fishing- my trolling motor battery loses juice very fast. I am a fanatic about charging it after every use and making sure both batteries are charged and ready to go. This used to never be a problem, but it seems to be getting worse.
A few reference points:
- I use spot lock, A LOT, but I always have and am just now experiencing this problem this year
- the trolling motor and batteries were purchased new 2 years ago (2 - 12V deep cycle batteries)
- Minn Kota Riptide Ulterra (80 lb thrust)
- I broke my original prop one of the first time's launching (because I am an idiot) and replaced it with a used one a buddy had laying around at his camp (it is made for the same trolling motor as it fits perfect)
Has anyone else experienced this? Any ideas on how to address this?
A few reference points:
- I use spot lock, A LOT, but I always have and am just now experiencing this problem this year
- the trolling motor and batteries were purchased new 2 years ago (2 - 12V deep cycle batteries)
- Minn Kota Riptide Ulterra (80 lb thrust)
- I broke my original prop one of the first time's launching (because I am an idiot) and replaced it with a used one a buddy had laying around at his camp (it is made for the same trolling motor as it fits perfect)
Has anyone else experienced this? Any ideas on how to address this?
7
Posted on 5/3/21 at 11:56 am to Spookz
If you are using an on board charger, it could be bad.
Posted on 5/3/21 at 12:07 pm to Spookz
Get the batteries tested. It’s the easiest and most likely problem.
Wet cell batteries can go bad quickly and easily even if charged properly. Anything over 3 years of life with a wet cell battery I consider bonus time.
And like the poster above said it could also be the charger. Have it tested to make sure it’s outgoing current is correct when powered up.
Wet cell batteries can go bad quickly and easily even if charged properly. Anything over 3 years of life with a wet cell battery I consider bonus time.
And like the poster above said it could also be the charger. Have it tested to make sure it’s outgoing current is correct when powered up.
This post was edited on 5/3/21 at 12:09 pm
Posted on 5/3/21 at 12:08 pm to Spookz
as already stated your batteries are bad.
Posted on 5/3/21 at 12:11 pm to Spookz
Spot lock motors and 24 volts of power not ideal, you getting all you gonna get 4/6 hrs is tops. 36 volt systems far superior all day performance.
Posted on 5/3/21 at 12:12 pm to Spookz
Make sure the batteries have water(Distilled). Remove top caps to check level.
Posted on 5/3/21 at 12:57 pm to Spookz
Battery make/model?
Posted on 5/3/21 at 11:00 pm to Spookz
Mine was doing the same on relatively new batteries. Changed them out and all good.
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