No I am not missing anything except .6 watts you just told me about. The math is staight foward.
Battery capacity = voltage x amp hours = watt hours.
12 volts x 102 AH = 1224 watt hour capacity.
20% of 1224 wh = 245 wh
factor out the wattage element to get time in hours = 245 wh / 15.6 watts = 15.7 hours.
Battery capacity = voltage x amp hours = watt hours.
12 volts x 102 AH = 1224 watt hour capacity.
20% of 1224 wh = 245 wh
factor out the wattage element to get time in hours = 245 wh / 15.6 watts = 15.7 hours.
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