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Old 04-17-2020, 11:41 PM   #1
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Shut off switch on or off?

I'm talking about the switch that you turn off when you want to leave your coach for the day, etc and don't want your batteries drained due to a light you left on...

Will the house battery on a motor home charge if that switch is in the "shut off" position? For example, I have the MH plugged into my house to keep the battery charged, but the switch is in the shut off position unless I go into the coach for some reason.
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Old 04-18-2020, 06:21 AM   #2
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In many, I'd say most cases, with a converter/charger system, if on shore power, that switch needs to be left on to keep the battery charged.

That switch is turned off when there is no shore power and the RV is being stored.
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Old 04-18-2020, 06:40 AM   #3
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If the coach is plugged in "that light" won't run the battery down.
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Old 04-18-2020, 06:48 AM   #4
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I suggest you include your RV make/model in your signature so people with similar RV's can provide information.


In my case I can turn the salesman switch off and the batteries will still charge if plugged in. This will not shut off the inverter though so there will still be a parasitic draw. If I am not plugged in my solar can usually keep up.
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Old 04-18-2020, 06:52 AM   #5
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There is a fairly easy way to determine what happens with YOUR rig, as opposed to what others do.
With the rig plugged in and the switch 'on' put a tester on the battery, it will read over 13 volts if the charger is active.
Turn off the switch and check the battery again, if the charge is now below 13 you know it doesn't charge.
Note that you should wait several minutes to check the battery charge after turning off the switch. The battery will hold a higher charge for a while after you turn off the switch.
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Old 04-18-2020, 07:34 AM   #6
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If your RV is plugged into shore power, why would you turn off the "salesman" switch?
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Old 04-18-2020, 07:40 AM   #7
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Be aware of what happens to your refrigerator also!
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Old 04-18-2020, 07:44 AM   #8
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Shut off switch on or off?

Quote:
Originally Posted by puppyduks View Post
I'm talking about the switch that you turn off when you want to leave your coach for the day, etc and don't want your batteries drained due to a light you left on...



Will the house battery on a motor home charge if that switch is in the "shut off" position? For example, I have the MH plugged into my house to keep the battery charged, but the switch is in the shut off position unless I go into the coach for some reason.


On my Revolution yes they will still charge. I leave mine plug in 24/7 when not in use.
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Old 04-18-2020, 08:38 AM   #9
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Quote:
Originally Posted by jacwjames View Post
I suggest you include your RV make/model in your signature so people with similar RV's can provide information.


In my case I can turn the salesman switch off and the batteries will still charge if plugged in. This will not shut off the inverter though so there will still be a parasitic draw. If I am not plugged in my solar can usually keep up.
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Old 04-18-2020, 08:40 AM   #10
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Quote:
Originally Posted by Tha_Rooster View Post
On my Revolution yes they will still charge. I leave mine plug in 24/7 when not in use.
You have an inverter/charger, not a converter/charger. Different systems.
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