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Posting a reply to: another battery question

Muskie Fishing -> Muskie Boats and Motors

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Pepper

Posted 4/30/2013 3:45 PM (#638477)
Subject: another battery question

Posts: 1516

I have two Cabela's AGM batteries that I have had for about 5 years. I tested them for charge before I installed them in the boat this spring and they both showed 100%. About a week later I went out and got very poor performance from the 80# Terrova. The boat was very slow even while on 10 power. Got home plugged in the charger and saw that both batteries needed a full charge put them on the chargeer over night and they were 100%. SOO last Friday 10 days later I'm getting ready to go out again and plug the battery charger and get 4 red lights indcating a need for a charge. Left the charger on all night. Get to the lake snd get the same result poor performance. Get home plug them in and get the 4 red lights on each but after a couple minutes one of the batteries shows a green light indicationg full charge in about 3 minutes.

where do you start trouble shooting? I probably need a new battery but if I need one I should probably get two. What kind of test do you do to see if a deep cycle battery is good or bad?