parasitic draws

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   I was considering how to limit and save my batteries when not in use on site.  Sometimes i am not in a position to provide charge to battery, so want to limit residual and parasitic draws.  I have a battery disconnect.  They only thing i'd like to continue to run, if say I leave campsite for 6 hours, is that the fridge is still cold.  If i battery disconnect OFF while still running fridge on propane, will the fridge continue to churn if i disconnected from power?  Does the fridge need power the entire time to stay functioning?

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Camp town usa Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 26 Sep 2020 Location: Wi Online Status: Offline Posts: 32	Topic: parasitic draws Posted: 08 Sep 2021 at 1:03pm
	I was considering how to limit and save my batteries when not in use on site. Sometimes i am not in a position to provide charge to battery, so want to limit residual and parasitic draws. I have a battery disconnect. They only thing i'd like to continue to run, if say I leave campsite for 6 hours, is that the fridge is still cold. If i battery disconnect OFF while still running fridge on propane, will the fridge continue to churn if i disconnected from power? Does the fridge need power the entire time to stay functioning?

jato Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 23 Feb 2012 Location: Kewadin, MI Online Status: Offline Posts: 3220	Posted: 08 Sep 2021 at 1:53pm
	Yes, the motherboard needs the 12v to function. By disconnecting the battery the motherboard turns off which will not allow the ignitor the ability to turn propane on if it calls for it. Don't worry about a few parasitic draws, they are minimal at best and as long as your battery is in decent condition you don't have to worry about a dead battery after only 4 hours. We don't disconnect our ground cable off the battery (no battery disconnect) unless it is not being used for 5 days or more. Even then with a fully charged battery 'at rest' you should read 12.72v or better and after 4 days our battery will read 12.61 to 12.64v (we have a pair of 12 v). Just don't run it below 60% S.O.C. or 12.2v for maximum longevity. We more often then not boondock and our batteries give us great service even though they are well over 10 years old.
	God's pod '11 model 177 '17 Ford F-150 4WD 3.5 Ecoboost Jim and Diane by beautiful Torch Lake "...and you will know the Truth and the Truth will set you free."