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Old 07-19-2019, 03:42 PM   #1
Junior Member
Join Date: Jul 2017
Posts: 13
Shore Power vs Battery Power

I am storing my 2014 Sunseeker 2860 beside my house.
I have a 120v outlet on the house and plugged my RV in to run a dehumidifier to reduce mold.
All of a sudden my batteries were dead and they were less than 1 year old.
Should the Battery switch by the stairs be ON or OFF in this situation? I am guessing OFF.
Please help me out here!

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Old 07-19-2019, 03:58 PM   #2
Senior Member
Join Date: Jul 2014
Location: Sherman Illinois
Posts: 959
If you are plugged into shore power as you state I would have the battery switch set to on so that your batteries can also be charged. It is strange though that the battery would be dead in a couple of weeks as you state. The converter should be supplying DC power to the unit whenever the unit is plugged into shore power, so I would think that most power drains would be handled by the converter. The only real answer in my mind is something must be connected directly to the battery and causing it to drain. This may be a tong jack with a light left on or similar.

Chuck & Sandra
2010 F350 CC 6.4
2015 Prime Time Sanibel 3601
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Old 07-19-2019, 04:09 PM   #3
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Join Date: Jan 2007
Location: Camano Island, Washington
Posts: 19,758
PLEASE leave batteries connected, when plugged into shore power.
Another member has been disconnecting the battery, when plugged into shore power and their battery is dead also.
If you do this, the converter can't keep the battery charged, therefore the parasitic power drains will empty the battery.
Not sure why we're getting a number of people doing this, as it doesn't make sense.
Dan-Retired California Firefighter/EMT
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and Zoe the Wonder Dog(R.I.P.)
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battery, power, shore power, sunseeker

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