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Old 02-23-2016, 12:52 PM   #11
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Where is the battery disco located on your 8329. I have a 2016 and can't find mine.
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Old 02-23-2016, 01:10 PM   #12
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Battery disconnect is directly across from the front door. Low down on the end of the sink cabinet. Looks like a headlight switch from a 1960s car. Our 8329ss is a 2015. Got it August 2014.
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Old 02-23-2016, 01:21 PM   #13
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Ok thanks beachcamper
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Old 02-23-2016, 03:58 PM   #14
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A couple of points:
1. If you fully charge a battery, there is no need to check it for at least 90 days in the winter. Loss is about 10% a month and it WILL NOT FREEZE if you charge it to 100% and never let it get below 60% during the winter. (Assuming it doesn't go below 20 below in your area...but it up to 70% if it does.) Simply charge fully then disconnect the negative battery wire(s)...the battery disconnect switch in the coach will NOT work to eliminate all parasitic loads.

2. In this case...it may be possible to recover SOME useful life in the battery as Herk says...but damage to the future life of the batter has been done. You need to learn how to properly FULLY charge a battery because whether or not this one went dead because of a mistake...the battery was being abused and slowly murdered with your present charging routine.
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Old 02-23-2016, 05:26 PM   #15
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Well I load tested the battery. It recovered power wise. Autozone doesn't have a capacity test though. I'm in summerville, SC where there is rarely a hard freeze.
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Old 02-23-2016, 05:36 PM   #16
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Originally Posted by Flybob View Post
If you killed it to Zero ( actually anything below about 9V) it is unlikely the battery will recover. It may take an apparent charge, but as soon as you put any load on it, it will die.
I beg to differ.
My son had an Optima car battery (not deep cycle) in his GMC Jimmy. He was living on campus, didn't drive much, so the battery completely drained. I replaced it and took it home, charged and used it for several years longer in our TT. It charged and held a charge just fine. I would say I was lucky to get more use out of it.
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Old 02-23-2016, 05:37 PM   #17
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How hard is it to take the battery out for the winter? Beats the heck out of hanging out for an hour every month charging it.
I ALWAYS remove my TT batteries and store them in the garage over the cold Colorado winters. Charge them once a month.
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Old 02-23-2016, 06:30 PM   #18
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I beg to differ.
My son had an Optima car battery (not deep cycle) in his GMC Jimmy. He was living on campus, didn't drive much, so the battery completely drained. I replaced it and took it home, charged and used it for several years longer in our TT. It charged and held a charge just fine. I would say I was lucky to get more use out of it.
Optimas are spiral wound AGM (glass mat) batts and are less affected by deep discharge than a wet cell would be... so not exactly apples to apples but it's always good to try and recover & get whatever cycle life is left.
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Old 02-23-2016, 07:53 PM   #19
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Optimas are spiral wound AGM (glass mat) batts and are less affected by deep discharge than a wet cell would be... so not exactly apples to apples but it's always good to try and recover & get whatever cycle life is left.
Well, I don't know about the technical specs, I'll take your word on it.
All I know is I got probably 8 years out of that battery between my son using in his SUV and my trailer. I do know Optima's are expensive and not Deep cycle, but heck, I sure got my monies worth on that!
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Old 02-23-2016, 08:36 PM   #20
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Many years ago before we had multistep chargers, if we encountered a battery that had been 'flat lined', adding 1 teaspoon of Epson salts in each cell, then charging was often enough to bring the battery back to life. The Epson salts would knock the sulphate off the plates. Off course this was in the day of conventional lead plate/acid batteries, not the new glass mat type batteries of today.
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