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Old 11-30-2021, 12:47 AM   #1
Junior Member
 
Brand: Thor Motor Coach
Model: Thor Challenger 37YT
State: Illinois
Posts: 9
THOR #23181
Battery Charging During Storage

Hi... I am wondering whether I can use my solar panels to keep my house batteries charged while the coach is in storage without any external power available. Currently, I open the 12VDC disconnect relay when storing it. I know that this prevents parasitic loads from draining the batteries. However, does it also prevent the solar system from charging the batteries? My solar system is small, but I would think it could overcome parasitic losses if operating. Any advice would be appreciated!

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Old 11-30-2021, 12:56 AM   #2
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Brand: Thor Motor Coach
Model: Hurricane 31S
State: Texas
Posts: 3,177
THOR #6411
Quote:
Originally Posted by mleitner@charter.net View Post
Hi... I am wondering whether I can use my solar panels to keep my house batteries charged while the coach is in storage without any external power available. Currently, I open the 12VDC disconnect relay when storing it. I know that this prevents parasitic loads from draining the batteries. However, does it also prevent the solar system from charging the batteries? My solar system is small, but I would think it could overcome parasitic losses if operating. Any advice would be appreciated!
Usually the solar panels are wired directly to the batteries through a charge controller. The solar charging system does not include the chassis battery disconnected (use/store switch).
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Old 11-30-2021, 01:02 AM   #3
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Brand: Entegra
Model: Accolade 37TS
State: South Carolina
Posts: 6,534
THOR #1469
Mine does but it was an after market installation to my specifications and it charges coach and house batteries on two separate circuits.

Determine how yours was installed to answer your question.
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