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Old 07-13-2020, 11:25 PM   #1
Junior Member
 
Brand: Thor Motor Coach
Model: 24FE
State: Illinois
Posts: 7
THOR #16593
Vehicle Battery Freedom Elite 24FE

This is our third season with the Freedom Elite 24FE. We are having problems with the vehicle battery. Between trips we leave the camper plugged in to power the refrigerator, lights etc.

Several times now after the camper has not moved for five or more days, the vehicle battery is dead and we can not start the camper without a jump start.

Does leaving the camper plugged in eventually drain the vehicle batter? This last time the camper sat for four weeks and even with jumping will not start the vehicle. This is not the first time.

Is something draining the vehicle battery during this period of time? Are we not not realizing some setting that should be changed when plugged in to external power?

Any thoughts appreciated.

John
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Old 07-14-2020, 12:32 AM   #2
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Brand: Thor Motor Coach
Model: ACE 27.1
State: Florida
Posts: 4,543
THOR #7035
The "vehicle" battery is normally called the chassis battery. Leaving it plugged in should have no affect on the chassis battery discharging. How old is this battery? It may be past it's expiration date. Have you checked the water level in the cells?
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2016 ACE 27.1
2016 Chevy Sonic Toad
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Old 07-14-2020, 01:39 AM   #3
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Brand: Thor Motor Coach
Model: Citation
State: Texas
Posts: 336
THOR #8139
We've had the same problem on our E450.
It was not a healthy battery when we bought the new to us Citation.
SOoo I bought a new battery and keep a tender on it.
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Old 07-14-2020, 02:36 AM   #4
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Brand: Still Looking
Model: Newmar Bay Star Sport 300
State: Alabama
Posts: 2,205
THOR #6826
Many RVs have seriously damaged batteries even when brand new. Unfinished chassisís can sit at Thorís plant for weeks or months (which is why the chassis and coach can be different model years sometimes) and then the finished coach can sit in a holding lot and then on a dealers lot. Sometimes for months. Typically not being charged. Most times dealers leave the store switch ďonĒ to make it easier to show the unit and sometimes customers or dealers even leave lights or something on between showings. It doesnít take much to permanently damage batteries. Many people on this and other forums blame Thor for using poor batteries but itís just as common to have chassis batteries bad and Ford doesnít use crap batteries. You might be able to get the dealer to replace them or more likely youíll just end up buying new and starting fresh. Take good care of your new ones and theyíll last for years. Good luck.
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Old 07-15-2020, 04:49 PM   #5
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Brand: Thor Motor Coach
Model: 24FE
State: Illinois
Posts: 7
THOR #16593
Battery Replaced

We tried to charge the battery ourselves after the camper would not start. We left the charge on to long and essentially cooked the battery. Mercedes kindly replaced the battery under warranty.

We had left the camper in our driveway for four weeks. Mercedes suggested we disconnect the vehicle/chassis battery and showed us the switch. Basically letting it sit for weeks drains the battery and either we need to trickle charge it or start regularly.

We live and learn and off for a trip tomorrow. Thanks for the kind responses.

John
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Old 07-16-2020, 07:19 PM   #6
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Brand: Thor Motor Coach
Model: Windsport 31S
State: Oregon
Posts: 7
THOR #19629
House batteries wont charge from being plugged in if the coach is in "store" mode, rather than "Use".

Engine battery, you can add a tender to it...

hope this helps.
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