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Old 11-20-2017, 05:33 PM   #1
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Battery care

We have had a 27'DSRL for about a year and I am not sure about the best way to preserve the batteries for longevity. The trailer does not sit unused for extended periods of time (more than 3 months or so) and we are in California so winters are not a problem.

So far I just leave the trailer plugged into the house A/C and it has worked fine but I am wondering if that is the best for them.

Options:
1) Leave plugged into A/C all the time
2) Only plug into A/C when the batteries show they are getting low
3) Disconnect when not in use
4) Hook up to a trickle charger
5) Other options?
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Old 11-20-2017, 05:49 PM   #2
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You can do just as you have been doing and the batteries will be fine, just keep an eye on the water in the cells. I store mine inside for the winter and don't like leaving the trailer plugged in with the onboard charger doing the work so I use a battery tender, hopefully this will help the charger/converter last longer.
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Old 11-20-2017, 06:33 PM   #3
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Leave the batteries in the TT and connected to shore-power. As mentioned earlier check your battery fluid levels, once a month (1st day of the month, put it in your smart phone reminders)

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Old 11-20-2017, 07:08 PM   #4
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Quote:
Originally Posted by Sundancer330 View Post
You can do just as you have been doing and the batteries will be fine, just keep an eye on the water in the cells. I store mine inside for the winter and don't like leaving the trailer plugged in with the onboard charger doing the work so I use a battery tender, hopefully this will help the charger/converter last longer.
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Old 11-20-2017, 07:32 PM   #5
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My rig is plugged into shore power at home all the time. I check the water levels often but find I only need to add water once or twice a year. That tells me that the converter is doing it's job. My first set of batteries lasted 6 years, helped by a complete discharge once when I left it at a dealers for a few weeks. Now I have a Battery Cutoff when that happens.

About once a year I disconnect the battery cables, remove the batteries and clean and inspect them, then reinstall and re tighten the connectors. If you are using yours often as we do, you should have not problems as long as you have a Progressive Dynamics converter.
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Old 11-22-2017, 08:45 AM   #6
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I unhook the negative cable when I'm not using the RV.
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