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Old 11-15-2013, 11:59 AM   #1
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Winter battery storage help

Hi,

I winterized my trailer a few weeks ago and just realized that I brought my batteries into the garage and haven't done anything with them.

I'm thinking I should buy a battery tender, but I'm not really sure what is needed for my 2 6V golf cart batteries. Or should I just leave them hooked up to the trailer and plug the trailer into shore power to trickle charge over the winter?

Any inexpensive recommendations would be awesome, and any other advice for storing these batteries correctly over the winter.

Thanks.
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Old 11-15-2013, 12:04 PM   #2
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Get a battery tender and take some #12 wire to make jumpers out of and connect the batteries together as they were in your RV and hook up the 12 VDC battery tender to them for the winter. It will help the battery tender out if they are both close to full charge when you hook it up to them.

http://www.survivalmonkey.com/thread...arallel.37039/
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Old 11-15-2013, 12:06 PM   #3
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Quote:
Originally Posted by palehorse89 View Post
Get a battery tender and take some #12 wire to make jumpers out of and connect the batteries together as they were in your RV and hook up the 12 VDC battery tender to them for the winter. It will help the battery tender out if they are both close to full charge when you hook it up to them.
I edited my question after your response came in, but am wondering if it's OK to just leave them connected to the trailer and plug the trailer in, as it should trickle charge that way too.
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Old 11-15-2013, 12:29 PM   #4
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The key word here is "should".
Newer voltage regulators have a float charging cycle. However, I hear so many stories of boiled batteries it's hard to trust the system. Having said that, I left my battery installed and the TT plugged in. However, I also have an electric heater and a 12 volt load in the camper to create a drain as well as a charge.
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Old 11-15-2013, 12:56 PM   #5
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I edited my question after your response came in, but am wondering if it's OK to just leave them connected to the trailer and plug the trailer in, as it should trickle charge that way too.
ryguy
Every year, for 12 years, I have winterized and stored my MH for 2-3 months, (and as long as 6 months), at a time, in COLD Wisconsin.
I simply make sure that the batteries have sufficient water/electrolyte and plug into a 20A shore power receptacle, (via a 50' long 12ga extension cord).
My on board 3 stage charger has never failed to maintain the batteries.

BTW, when I got my coach it was, (and the batteries where), 5 years old.
They did not need replacing until they were 11 years old.
The replacements are now 6 years old and doing fine.

Mel
'96 Safari
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Old 11-15-2013, 01:21 PM   #6
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I think I feel the most comfortable just getting a battery tender and leaving them in the garage for the winter.

The question is which of these 2 is the right one for the job:

Battery Tender Junior, 0.75A Maintainer | Canadian Tire

Battery Tender Plus, 1.25A Charger/Maintainer | Canadian Tire
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Old 11-15-2013, 01:25 PM   #7
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take some #12 wire to make jumpers out of and connect the batteries together as they were in your RV.
Why not just use the jumper that I use when the batteries are on the RV?
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Old 11-15-2013, 01:54 PM   #8
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Since you are (presumably) starting out with charged batteries, I'd go with the junior.
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Old 11-15-2013, 09:43 PM   #9
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Why not just use the jumper that I use when the batteries are on the RV?
Now you are thinking faster than me........
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Old 11-16-2013, 11:52 AM   #10
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All the newer RV's have a 3 stage converter in them. If you leave your TT plugged in for weeks at a time between camping trips and nothing happens to you batteries then leaving them in for months will be no different. I've left mine plugged in for several months once in a while and they do not boil or get warm. The days of cheap converters in RV's are gone.

You can also look up your converter on line and see what it's properties are.
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