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Battery Voltage

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Jim Shaw:
In talking to a couple of friends they vary in how low they let the battery voltage gets before starting the gen. when dry camping. I usually try not to let mind get below 12 volts. Can anyone tell me what the accepted voltage should be.
2003 Monterey

Joel Ashley:
My control panel was originally set for something like 10 volts.  That's too low.  The techs at Bend said 12 v. as I recall, but I had some problems with the genset running when it shouldn't or wasn't yet needed.  I think ours is now compromise set at 11.5volts when the generator autostart kicks in, and it seems to work well there.  

Gerald Farris:
The minimum voltage is 12V for maximum battery life. You can discharge your batteries lower than that if you want to reduce generator time, but it will shorten your battery life.

The deeper you cycle your batteries (lower voltage before recharging), the fewer cycles they will deliver. Using 11.5V instead of 12V as a minimum voltage will shorten your battery life some, but not near as much as 10V will.

Gerald  

Tom Rogers:
I agree with the 11.5 .... During our one and a half year ownership and the various people I've talked to it's a good number. My problem is trying to understand the instructions to program the remote. Haven't been able to grasp the sequence for the auto gen.

Elliott_Mcleod:
I have a chart that shows the percent of charge at the various voltages.  I have always set the auto start at 11.9 volts as the batteries are at 40% of charge at that point (the chart recommends not going below 40%).  12.06 volts is 50%, 12.2 Volts is 60%, 12.32 volts is 70%, 12.43 volts is 80%, 12.5 volts is 90% and 12.6+ is 100%.  10.5 volts is 0% of charge.

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