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12-27-2019, 08:10 AM
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#1
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Montana Fan
Join Date: Oct 2018
Location: Grandview
Posts: 194
M.O.C. #22947
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Battery problem ??
I am at quartzite first time. I have 3 105 ah Duracell batteries bought at Sam's club. Last night
Before going to bed I had 12.63.volts after waking up 7.5 hours later, I had 12.46 volts. I didn't have anything running but my propane fridge. Is that a normal battery draw???? With only fridge and other detectors running??
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12-27-2019, 09:56 AM
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#2
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Montana Master
Join Date: Nov 2015
Location: Arlington
Posts: 1,523
M.O.C. #18081
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Yes, there are still dc loads running, affectionately known as parasitic loads.
__________________
SOB
2015 Volvo VNL780 D13, iShift, 32k ET air hitch, Idle Free LiFePO4 APU
16.8KWhr LiFePO4, 2.52 kw solar, 10kva Victron split phase
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12-27-2019, 10:18 AM
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#3
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Montana Master
Join Date: Sep 2013
Location: Pensacola (mail forward service)
Posts: 3,198
M.O.C. #13740
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Your water heater, furnace have circuit boards that still draw some current even when not running. If your rig has a 12vdc tv...same thing even turned off.
__________________
2012 F350 6.7 L dually, 2013 3800RE with 6 pt leveling, Sumitomo 17.5" load range h tires, Samsung 18 cu ft residential fridge, 8k Morryde I.S. with disc brakes. Full timing since 2012.
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12-27-2019, 01:02 PM
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#4
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Montana Fan
Join Date: Oct 2018
Location: Grandview
Posts: 194
M.O.C. #22947
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Thx guys for response, I feel better now knowing my batteries are okay.
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12-27-2019, 08:26 PM
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#5
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Montana Fan
Join Date: May 2015
Location: Livermore
Posts: 492
M.O.C. #17391
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Dint forget the carbon monoxide detector. if you dont put as disconnect on the battery that thing will draw down a battery ion short order.
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01-01-2020, 01:59 PM
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#6
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Montana Fan
Join Date: Nov 2011
Location: Albany
Posts: 409
M.O.C. #11972
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Your refrigerator and furnace present 12 volt loads at all times unless turned off. Your LP gas detector is hard wired to 12 volts and presents a load also. That drop sounds normal to me if fridge, furnace and LP detector are on and functioning.
__________________
2012 3150RL. G614 tires. Hardwired surge protector. Level-Up Hydraulic leveling.
2013 F-350 Lariat 6.7 PSD SRW SC LB 4X4 OEM hitch, air self-leveling on rear. 57-gallon replacement fuel tank. DieselSite water separator/fuel filter.
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01-02-2020, 07:45 AM
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#7
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Montana Master
Join Date: Aug 2006
Location: merced
Posts: 983
M.O.C. #6171
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You didn't say what model you have. If you have one of the newer trailers the refrigerators use a lot more amperage than the older refrigerators. The new ones have fans that run, it seems like all the time. Where the old one didn't have cooling fans. They difinitely eat batteries.
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01-02-2020, 07:51 PM
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#8
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Montana Fan
Join Date: Oct 2018
Location: Grandview
Posts: 194
M.O.C. #22947
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I have the 2019 model 3120 with 18 cu fridge.
Yes, I guess that one use some Watts, even as it's a propane.
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