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Old 11-04-2015, 12:06 PM   #1
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Charging a A122S battery

Charging the battery during winter. Will plugging the trailer into a land line from the house keep the battery charged? Can it over charge the battery? What would be the best way to keep the battery charged?
Thanks
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Old 11-04-2015, 12:48 PM   #2
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According to some, Wifco converters have a reputation (personally unverified) for keeping too much voltage on the battery when the battery is fully charged. This will cause loss of water from the battery cells over an extended period.

If left plugged in, I would check the level in the cells periodically until you know what is happening.

I installed a cut-off switch my a-frame (I have 2 golf cart 6V batteries for 4 days of dry camping). I leave the camper plugged in for a few days after a trip to fully charge. I then disconnect the batteries with the switch, and leave idle for up to 2 months. Then I will plug back in again for a couple of days. Hopefully, we go camping again before 2 months are up!

A fully charged battery will not be harmed by freezing temps.

Fred W
2104 Rockwood A122
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Old 11-04-2015, 04:08 PM   #3
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Quote:
Originally Posted by pgandw View Post
According to some, Wifco converters have a reputation (personally unverified) for keeping too much voltage on the battery when the battery is fully charged. This will cause loss of water from the battery cells over an extended period.
That is my experience. I now use the cut off switch about every other week. Turn on power in the morning then turn off in the afternoon. Then a day or so before I go camping.
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2012 Rockwood A122S
2008 Toyota Tundra Double Cab 4X4

Former owner of a 2002 Coleman Niagara GTE
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