Our Whirlpool fridge is always plugged into a Kill-O-Watt meter and we find the usage consistent over time. Here are three different readings:<br/><br/>Over 34 days (824 hours) it used 23.93 KwH which is 29 watts average/hour using 2.3 average amps/hour of 12.6 volt battery. <br/><br/>Over 60 days (1,445 hours) it used 39.06 KwH which is 27 watts average/hour using 2.1 average amps/hour...