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Old 10-22-2014, 08:53 PM   #1
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Coach battery Charge??

Can anyone tell me if the coach battery charges off the house converter when plugged in and parked??.. I'm not planning on taking a trip for a few month and wondering if I need to hook up a separate battery tender for the coach battery.....

Thanks in advance..

2010 Georgetown 300FWSSouth Florida
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Old 10-22-2014, 09:04 PM   #2
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Mine does

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Old 10-22-2014, 09:18 PM   #3
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Sounds like you got it nailed. Yes.. it does, but I wouldn't leave them charging/floating on the coach converter. Once it's at full charge, shtick it on the battery tender.

Or if you want to save a few bucks, plan on around 15% SOC off-gassing every 30 days or thereabouts. Just give them a good charge up every 30-45 days and you're fine.

Battery tenders are great for no-brainer long term storage, but having to run your battery back up every 45 days is a good reminder to check your water levels (if you're using wet cells). It doesn't happen much, but even a battery tender can act up on you and cook your cells.
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Old 10-23-2014, 07:28 PM   #4
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Thanks ..Appreciate the Info..
2010 Georgetown 300FWSSouth Florida
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Old 10-27-2014, 01:27 PM   #5
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My coach is a few years older but I found the onboard charger tended to boil the batteries dry after a week or so.

However, if I stay hooked to shore power in FL for 3 months and constantly use DC power, I have no issues. Not sure I understand that. I do water my batteries with a remote watering system monthly.

Regardless, I leave mine on a battery tender all the time between trips.


Life is a journey, not a destination.
2005 Georgetown 359ts
Bill & Virginia, Kentucky
Nights camped in 2011...78 , 2012...73,
Nights camped in 2013...123, 2014 ...101
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