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Old 03-31-2018, 02:12 AM   #1
Junior Member
Brand: Thor Motor Coach
State: Tennessee
Posts: 24
THOR #10915
Keeping the Batteries Charged

Iíve been wondering about something in keeping the house batteries charged between trips or driving the unit on my 24HE. Currently I have the big 30 amp power cord and adapter to plug into 110 AC so the batteries are staying maintained. But it occurred to me if I simply ran a regular 110 utility cord into the battery compartment and plugged in one of the smart staged battery tenders connected to the batteries this would keep the batteries up and spare the converter many hours of operation. The main battery disconnect switch could be completely off the 02 sensor and any other phantom loads would off. Everything would be quietly sleeping except for that smart battery tender. Anyone see a problem with doing it that way?


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Old 03-31-2018, 11:34 AM   #2
Senior Member
Brand: Thor Motor Coach
Model: Four Winds 28A Class C
State: Vermont
Posts: 267
THOR #4117
No problem at all. I have done that for many years. In fact I now have it permanently mounted and wired in the MH so I throw a single switch and the batteries stay charged.

Just check the battery voltage while charging to make sure all the other loads are off and it is being charged.

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Old 03-31-2018, 01:08 PM   #3
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Brand: Still Looking
Model: Tiffin Wayfarer 24 BW
State: New York
Posts: 13,454
THOR #8860
That's probably the best way to do it... as long as the chassis battery doesn't need charging.
Good Sam Member 843599689
FMCA Member F473304
Current coach: Tiffin Wayfarer 24 BW
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Old 03-31-2018, 03:44 PM   #4
Senior Member
Brand: Thor Motor Coach
Model: 22FE
State: Washington
Posts: 270
THOR #8606
I use a Battery Tender in mine. Use switch in off position.
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