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Old 05-30-2018, 07:49 PM   #1
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Cool Total electric class "A"

I have a total electric class A, Itaca Ellipse 42gd. When boondocking, my 6 -deep cycle, 12v batteries only last about 2hrs. Does this sound right, or am I in need of new batteries?
I have on:
1- 55' TV
1- Samsung sound bar
1- residential refrig.
1- Norco refrig In cargo
1- microwave (not in use)
1- Matrix audio system
1- Direct TV box
Interior 12v lighting.
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Old 05-30-2018, 07:52 PM   #2
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You should get more then 2 hours.

Get them tested for free.

If they test OK but weak, then find out why they are not charging.
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Old 05-30-2018, 09:09 PM   #3
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I have the 42QD a 2014 original batteries. When you say 2 hours what is happening? Coach goes dead or inverter shuts off (low voltage) or generator autostart?
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Old 05-30-2018, 09:18 PM   #4
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I easily go all night in my rig with only 4 8D batteries running what ever I want.
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Old 05-30-2018, 09:19 PM   #5
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Definitely should get more than 2. We have all electric also. Some of the same things. A couple things I do to extent battery time when boondocking...

AGC enabled and set to start at 12.2V
Residential fridge ice maker OFF
Use foot-flush toilet as other toilet is electric
Minimal lighting (they’re LED)
Satellite receiver OFF once it’s located position

If I don’t use AC (this always kicks genny on) and run the genny a couple hours before bedtime, the batteries usually last all night before they get down to 12.2V
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Old 05-30-2018, 09:44 PM   #6
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2 hrs is not normal. As others have suggested get the batteries tested and go from there.
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Old 05-31-2018, 05:21 AM   #7
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Definitely NOT normal but is this the first time boondocking in 5 years? What is it that is telling you the batteries are dead? When was the last time you put water in your batteries? A 5 year old TV may only be LCD, not LED So it and your sound bar may be using a fair amount of power.

Two of your 6 batteries should power your refer for 24+ hours BUT the one in the basement is probably using more power than the house refer. Have you replaced the energy hog halogen lights (1 amp each) with LEDs at 1/10th the amps...EBay from $1 each or less:
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Old 05-31-2018, 08:00 AM   #8
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Any details?? Amp-hour capacity of battery bank, amps being consumed during normal operation (as shown on your battery monitor), amp-hour draw of the various components, etc???
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Old 05-31-2018, 08:28 AM   #9
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The OP could install a cheap battery monitor. That would find the power hog, or determine the condition of his batteries.
He likely has a 640 AH battery bank. That should easily get him through the night running the refrig and being a little conservative on the other stuff.
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Old 05-31-2018, 08:48 AM   #10
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It's pretty much all been said. I'm not a fan of 12 volt batteries for the house, but if one was bad, it could/would affect the other five and drastically shorten the run time. Is the charger bringing the bank up to full charge? If it is not, over time, that could greatly reduce the banks capacity.
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Old 05-31-2018, 08:58 AM   #11
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Is your battery charger (converter) on? If you have a battery charger plugged into or permanently wired to your inverter you've have a circular charge going. Since the charger has inefficiencies built in it will run down the batteries pretty fast.

If you have a combination inverter/charger then the internal circuity will allow it to operate in one mode at a time, either invert or charge. However, if you have an external converter or battery charger you can be trying to use the inverter (ie; discharge the battery) at the same time you are trying to charge the battery.

If everything was installed by the factory then this is unlikely. If someone installed the inverter after the fact I'd be more suspicious.
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