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Old 07-16-2020, 07:30 AM   #1
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2014 22' FB Sport
East Texas , Texas
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AGM Battery Drain Sport 22

I recently replaced the stock battery on my 2014 Sport 22 with a new 12V 100Ah AGM Sealed Lead Acid Battery UB121000 Group 27.

My question is this...

After one night with only the fridge (on propane) running, I'm already down 1/5 on the stock charging meter. Is this normal? After about 4 days, the battery is completely depleted. No, I haven't tested the load, need the hubs to do that for me when me and the dog get back home.

Any advice would be great. Thanks in advance.
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Old 07-16-2020, 07:48 AM   #2
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Zanadude Nebula , Milky Way
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4 daze on a single 100ah battery is not bad at all. Realize that it has 80ah of usable power.
Discharge to 20%=longer battery life.

I re-charged our Lifeline AGM's at 11.9-12v, they lasted 11 Seasons, still in service as B/U power for the sump pump.

What was 'compleatly' on the meter?

Bob
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Old 07-17-2020, 07:35 AM   #3
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2014 22' FB Sport
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@Robert Cross

Thanks for the reply. I didn't realize that the fridge electronics load and whatever else runs all of the time would deplete the battery so quickly. I thought it would be negligible, but I guess without testing the actual load, there is no way to know. We will do that first chance I get.
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Old 07-17-2020, 08:21 AM   #4
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FYI a couple of helpful recent threads IMO:

https://www.airforums.com/forums/f42...ot-211243.html
https://www.airforums.com/forums/f42...lp-211274.html
Parasitic battery loads: https://www.google.com/search?q=para...=airforums.com

FYI/FWIW
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