Coast Resorts Open Roads Forum: Tech Issues: Shore power vs Batter maintainer
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 > Shore power vs Batter maintainer

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StirCrazy

Kamloops, BC, Canada

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Joined: 07/16/2003

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Posted: 07/29/23 06:41am Link  |  Quote  |  Print  |  Notify Moderator

I have put a PD9200 series converter in all my units (except my camper, it's still a PD though) I leave them all plugged in 24/7 and they stay like that all year except when I am actually camping.

Beware of people telling you to just turn your battery disconnect switch off as there are still loads even when they is off as in your propane leak and carbon monoxide detectors which will run a battery flat in a month (depending on battery size of course.)

the thing being a good quality charger will have different charging profiles or different battery conditions and works to maintain your battery properly. a lower quality single or double stage charge will just keep pounding power which boils the batteries and in turn they lose water.

like Grit dog said, if you don't have a good charger then use a maintainer (you have to size those properly also) or just totally disconect the batteries in addition to using the disconect switch.


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pianotuna

Regina, SK, Canada

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Posted: 07/29/23 09:26am Link  |  Quote  |  Print  |  Notify Moderator

On both the RV's I've owned the disconnect switch removed all drains to the battery bank.

When in doubt, for storage, disconnect the negative battery cable.


Regards, Don
My ride is a 28 foot Class C, 256 watts solar, 556 amp-hours of Telcom jars, 3000 watt Magnum hybrid inverter, Sola Basic Autoformer, Microair Easy Start.

StirCrazy

Kamloops, BC, Canada

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Posted: 07/30/23 06:27am Link  |  Quote  |  Print  |  Notify Moderator

pianotuna wrote:

On both the RV's I've owned the disconnect switch removed all drains to the battery bank.

When in doubt, for storage, disconnect the negative battery cable.


Judging from the age of them in your other post they didn't have them newfangled safety devices.. all joking aside usually those two are not included in the battery disconnect now as they are just that safety devices. I used my battery disconnect for the first time this last winter and forgot I had done it. so, I de winterized, loaded the rv got the fridge running and everything, pulled the slides in hooked up and away we went. when I got to the destination I noticed there were no lights on the fridge and everything in there wasn't as cold as it normally is and in a moment of brilliance it dawned on me that U may have turned off the battery disconect switch ... sure enough.

so the reason the safety devices bypass the switch is because if I was plugged in I can still use everything in my RV even if the battery switch is turned off.

wa8yxm

Davison Michigan (East of Flint)

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Posted: 07/30/23 07:42am Link  |  Quote  |  Print  |  Notify Moderator

StirCrazy wrote:

I have put a PD9200 series converter in all my units (except my camper, it's still a PD though) I leave them all plugged in 24/7 and they stay like that all year except when I am actually camping.


Mine was a 9100 + Wizard (Effectively the same as the 9200)

And the batteries lasted 9 years plugged in nearly full time.


Home was where I park it. but alas the.
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pianotuna

Regina, SK, Canada

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Posted: 07/30/23 11:06am Link  |  Quote  |  Print  |  Notify Moderator

On the contrary both RV's had propane and smoke detectors.

The 1987 unit required a battery for the rather ancient converter.

The 2005 had a PD which was quite happy to run things without the battery.

One of my upgrades in the 2004 was an inverter charger which allowed for load support. I left the converter in place for those rare times when gfci doesn't "like" the inverter charger.

I have a way to plug in just the converter for the days before the inverter/charger when I used double conversion and ran the 120 volt side from a 2500 watt inverter rated for running motors.

* This post was last edited 07/30/23 12:24pm by pianotuna *   View edit history

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