Day 10 The wattage (W) given for an appliance expresses how much power it consumes in an hour. Multiply that by hours of use in a given period and you get watt hours (Wh), which is the amount of power
Day 9
Our next question is: ‘How much power will our 12V system need to make available?’ The answer to this will determine the minimum size of the battery we need. To work this out, we need to figure out a typical