Quote:
Originally Posted by MetroMPG
If you're forced to switch the alternator back on after drawing the battery too low, your mileage will plummet. I made that mistake once, and went from being able to achieve something like 75 mpg (driving with load) to just 50ish mpg with the alternator struggling to recharge the flat battery and run the car.
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Well, being as his system is fancier than yours, he could charge for a little while and shut it back down. My question on this would be, is it bad to constantly run a battery at say 50% capacity and keep it around there?