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Old 11-12-2015, 09:10 AM   #29
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Originally Posted by scharfm View Post
I was afraid somebody was going to say 30 minutes isn't enough. Thanks. Well if I am firm on not removing the batteries, then maybe I should consider a solar powered battery charger. Not sure I can putz around the MH at the storage yard for 2 hours in freezing temps. Solar may be the best solution if it does its job as expected.
I will say 30 minutes is not enough because IMO 30 minutes is NOT enough.

But it's your generator exercise it, (or don't exercise it), as you see fit.

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Old 11-12-2015, 11:28 AM   #30
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Originally Posted by baraff View Post
Been doing it since we bought the motorhome in 2010. Never had a problem with the batteries being dead, ..... Never had a problem with frozen batteries, and we're in the Chicago area where it gets really cold and stays cold.
This what I was looking for. I am also in the Chicago area so that insight is perfect. I will make sure levels are good, be sure they are fully charged and then disconnect the cables. I'll check on them throughout the winter, but otherwise leave them alone until the March trip down south. Maybe mid-February. Thanks.

2014 Winnebago Sightseer 33C, 2010 Jeep Wrangler Sahara
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Old 11-12-2015, 11:59 AM   #31
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Originally Posted by ga80486 View Post
I don't know the correct answer, but I ordered 2 of these. One for the house batteries and one for the chassis batteries.

Amazon.com: CTEK (56-158) MULTI US 3300 12 Volt Fully Automatic 4 step Battery Charger: Automotive

The corvette community seems pretty enamored with them so I figured they must be OK.
If you already have a converter supplied with the coach that charges your batteries, why would you add two more? Just curious.
Dennis & Carol
2003, 4006, 41' DutchStar, Spartan, ISC 8.3L W/BanksPower - 2013 Honda CRV, BlueOx Baseplate, Aventa Bar & Patriot Brake. And the 04 Bird, Sunshine Car.
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Old 11-13-2015, 12:45 AM   #32
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Originally Posted by dennis45 View Post
If you already have a converter supplied with the coach that charges your batteries, why would you add two more? Just curious.
Why run an expensive converter and put the wear on it when you can buy a couple reasonably priced chargers and let the converter rest? No doubt the chargers would be cheaper to run using less electricity.
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Old 11-13-2015, 01:35 AM   #33
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I pull my 2 12 volt batteries and put them in the garage on a dual output Battery Tender and forget about them. I store my mh out at my sons place inside his Morton building. I didn't run the gen at all last winter but I think this year I will grab one of the batteries once a month and head out there and fire it up.
I had no problem with the gen after not running it but it makes sense that it's a good idea to exercise it.
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Old 11-16-2015, 08:11 AM   #34
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Originally Posted by dennis45 View Post
If you already have a converter supplied with the coach that charges your batteries, why would you add two more? Just curious.
Because I store it in a rented building, and the owner was a little uneasy about me having it plugged in. I ended up pulling the 4 coach batteries and putting them in my basement on one of those small chargers, then I put the other small charger on the chassis battery in storage. He was OK with that.

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