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Old 02-12-2011, 06:20 AM   #1
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Location: Kittery, maine
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2006 coach batteries

My batteries are oem and I'm curious what their life expectancy is.

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Old 02-12-2011, 07:50 AM   #2
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Location: South Eastern PA
Posts: 22,507
Properly maintained batteries could last forever. If you took care to never discharge the battery below 80% capacity prior to a full recharge; they say they will last indefinitely unless they are abused (Discharged then frozen; dropped; bounced; or shorted out).

When discharged deeper than 80% before a recharge; the number of charge/dishcarge cycles possible starts to decrease. Most deep cycle batteries will last about 200 full discharge to dead then charge to full cycles until the amount of charge they are capable of holding drops to a point where they are unusable. Most never abuse our batteries that way and get better life out of them.

So, if they still keep a good charge and you are happy with the capacity; they should last another six years.

Lou, Laura, & Freya the wonder dog
2008 GMC Sierra 3000HD Crewcab SB Allison Duramax
2019 Flagstaff 8529FLS - Pullrite 3300
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Old 02-12-2011, 09:57 AM   #3
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I agree with herk, It just depends on how you treat them. We don't camp at campgrounds and our batteries get abused close to 30 weekends a year. The life of my batteries is 2 years. We have tried a lot of different batteries and it just doesn't matter. It's not like I abuse them on purpose, it's just the way it is doing what we do. Think about the amount of cycles we run the batteries through in 2 years, 30 weekends a year for 4 days a weekend! Thats 240 days of weird cycles, running them completely dead and then not allowing them to get a full charge. I now just stick to the Energizer brand at Sams club cause they are cheap and they get us the 2 years we expect them too.

If you are the original owner of the camper and you know how they have been treated, I would say your fine. If you are the second or third owner and you have no idea what they have been through, and you know when camping you are going to have to rely on the performance of your batteries to get you through your camping trip, in my opinion I would be replacing them.
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