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Old 09-08-2013, 07:09 AM   #1
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Does Disconnect Switch Affect Charging

When my TT is plugged into 110 at home does my battery get charged if the battery disconnect switch is off?

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Old 09-08-2013, 07:33 AM   #2
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Your battery will not get charged from your convertor if you switch off the disconnect. It will take the batteries out of the circuit.

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Old 09-08-2013, 07:43 AM   #3
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When I was getting the Walk About from the service tech when we bought ours, he pointed out the battery disconnect. I didn't know there was such a thing. It's not a topic of conversation around the fire.

"Hey, you got a battery disconnect?"
"No, do I need one?"
"I don't have one either."
"I got one."
"What's a battery disconnect?"

The conversation with the tech and me went something like this.
"...and here's your Battery Disconnect."
"What's a Battery Disconnect?" (see above conversation)
"When you store this unit for a period of time, pull (push, I forget) the disconnect so your battery doesn't get drained by things you might leave on or by the radio and things." ( a lot of radios have a clock display that's always on)
"I always leave our units plugged in when not in use."
"Then never mind."

Sooo, in answer to your question, it stands to reason to me that if I were to disconnect the battery from the rest of the electricals in the trailer to protect the battery, then disconnecting the battery will also prevent it from being charged. It'd be like removing one of the wires (preferably positive) from the battery itself.

I could be wrong though given the fact that I'm married.
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Old 09-08-2013, 08:14 AM   #4
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Yep, isolates the battery for the converter and the 12V circuits inside the trailer. Battery switch needs to be ON for battery to charge on shore power.

Though some brands have taken to adding a direct circuit to the battery from safety devices like LP detectors. Also slide motors and electric tongue jacks are often not bypassed. So if you store your camper for an extended period (more than a month or so) without connection to shore power, it's best to disconnect the battery all together.

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