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  1. 10-17-2019, 04:39 PM #1
    Jig_Man
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    5 th battery issue.

    I have had issues running new chart plotters and keeping a hot cranking battery. A year ago I added the 5 th battery and use it to power an HB Solix 10 and a Low HDS gen 3 12. It has 109 rc. It has been doing a great job until last trip. Supply power went down and I had to shut one unit off. I took it out today and had the same issue. The supply to the Low dropped to 10.8 and it shut down. I just checked the battery and it showed 12.84 volts.

    Do you think it is the battery or the charger?

    I leave in 2 days for a fishing vacation.
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  2. John Jackson
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    #2 10-17-2019, 04:56 PM
    It could be a battery going bad. What brand battery. If it's an interstate, that's about normal. They don't last long. But any brand could be going bad.
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  3. CatFan
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    #3 10-17-2019, 05:24 PM
    Sounds like it could be a bad connection.
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  4. Jig_Man
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    #4 10-17-2019, 05:27 PM
    Quote Originally Posted by John Jackson View Post
    It could be a battery going bad. What brand battery. If it's an interstate, that's about normal. They don't last long. But any brand could be going bad.
    It is an interstate. I pulled it out and put it on a different charger. I’ll have it load tested tomorrow.
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  5. BoatBuggy
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    #5 10-17-2019, 06:31 PM
    Is the 5th battery a deep cycle or a regular cranking battery? If it's a cranking battery, it's probably getting weaker because of repeated discharges from your sonars.
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  6. John Jackson
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    #6 10-17-2019, 06:50 PM
    Quote Originally Posted by Jig_Man View Post
    It is an interstate. I pulled it out and put it on a different charger. I’ll have it load tested tomorrow.
    I went 50 amp Lithium for my 5th battery. You might consider the same. Although nearly $500, it will be cheaper over the life span.
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  7. Jig_Man
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    #7 10-17-2019, 07:21 PM
    It says dual purpose battery.
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  8. Jig_Man
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    #8 10-18-2019, 09:36 AM
    I charged it over night and had it load tested. The tester said it was on the last 1/4 of its life. It is one day less than a year since I bought it.
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  9. Jig_Man
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    #9 10-18-2019, 02:40 PM
    I took it to the Interstate distributor. They hooked it up to 4 different devices, then put a new one on a cart and rolled it out to my truck. They apologized for my trouble and sent me on my way.
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