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Old 05-17-2015, 05:13 PM   #11
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Location: Tampa Bay Area, Florida
Trailer: 2015 5.0TA
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Originally Posted by alanmalk View Post
This is a worthwhile concern. Lead/Acid batteries do have a finite life even if kept on the proper charge/maintenance schedule. Ask anyone with a UPS (Uninterruptible Power Supply) for their computer. They stay on a well-regulated float supply and still fail at 3 to 4 years. Your battery may of course last longer if higher quality or larger, but it will fail.
Yes, all batteries eventually fail. But I can say from experience I took a deep cycle battery that an acquaintance was disposing because it was "no good" and using a desulphating charger, brought it back to "life" in about a months time, then used it for approximately 5 years. While desulphation chargers are more expensive, my deep cycle batteries tend to last between 7 and 10 years in Florida, and heat causes batteries to fail prematurely, not cold. So when I previously stated "properly maintained," I meant by a smart charger that has desulphation capabilities. Most batteries die before their time due to improper maintenance caused by sulphur build up on the plates which shorts out the battery's cells.

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2015 5.0TA (Little Elsie)
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Old 05-17-2015, 09:26 PM   #12
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Join Date: Jun 2014
Location: MeNo$, Wisconsin
Trailer: 19' - Oct 2o15
Posts: 24
Good Morning Carl - -
Which desulphation charger do you use ?
They seem to have a very large range in price. What should look for in these chargers ?
Do you know of an "educational page" on these chargers ?

Thank You Cark for your thoughts.


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Old 05-17-2015, 09:37 PM   #13
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Join Date: Sep 2013
Location: Los Osos, California
Trailer: 2014 21 2013 Yukon
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Originally Posted by cpaharley2008 View Post
If you order the the group 29 battery option, ETI installs the larger battery box which holds dual 6 volts. That is what I did, so just ask for the larger box, regardless of which battery you choose.
Good tip; showed my 21 to a couple today and the topic of non-listed options came up more than once. Pays to tune in. Have to say it again....for us, where we live/camp the Group 29 12V is more than adequate after 100+ nights so far. Never goes below 3/4 charge even with a week of clouds/rain.
Edit: we do have the 160W solar panel.

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