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Old 09-26-2019, 12:00 PM   #1
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I have a MM1212 inverter. The MM-RC remote is located under the light switches next to the steps. I also have 2 new 6 volt deep cell batteries in series. My question, when boondocking am I only pushing the INVERT button (top left) on the remote. If running only a TV, maybe a light or 2, roughly how long would it take before needing to run the geny to recharge. Thanks
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Old 09-26-2019, 12:34 PM   #2
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If you have a 30" TV, they typically draw around 60 watts. You can check your TV.

That draw is less then 5 amps at 12 volts DC, or 5AHs. Add the inverter losses of 1.5 amps or 1.5AH and that brings your draw up to 6.5 AH.

You have over 200 AH, in a pair of 6 volt batteries, so even 15 hours ( 6.5 X 15 = 97.6 AH ) of TV wouldn't run your batteries down deeper then 50%.

That's a lot of TV watching if you don't have anything else using the batteries.
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Old 09-26-2019, 12:46 PM   #3
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The best long term solution is to get a "fuel gauge" for your battery.
If you don't know already they are called battery monitors and come with a shunt. Something like this;

Short term; You probably have about 200 amp/hrs of battery storage. The TV and some lights would probably be about 7 amps. You could easily go up to ten hours and still be short of the 100 amp/hrs of usage you have.

Good luck.
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