I have since read that anytime a regular battery (as opposed to deep cycle) is discharged more than 20%, its life is considerably reduced. I haven't verified this.
Using a 150w inverter to power the mac mini & LCD monitor in my truck camper. My Kill A Watt meter shows that the draw (on regular home power) is about 55-60 watts, or .05 KWH per hour. Can I assume that I could use this set-up for several hours, if need be, without danger of depleting my...