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This is the most frequently asked question of all, and one of the most difficult to answer. There are many variables that determine the power consumption such as ambient temperature, internal temperature setting on thermostat, duration of operating time and frequency of entry to the refrigerator. All of these above factors affect the measure of power required. In addition to the above factors, the performance of a 12VDC fridge is largely dependent on the 12VDC battery source used to power the fridge. The battery source in turn is recharge using an engines alternator, solar panel or auxiliary generator. It is...

It is important to know the difference and what type of refrigerator / freezer is best suited to your application. There are three types of refrigerator / freezer designs; compressor, thermo-electric and heat exchanger. Compressor refrigerator / freezer The most widley used refrigerator / freezer uses compressors. The best compressor refrigerator / freezer run on both 12 VDC and 120 VAC, 60Hz without an additional power supply. Because they are controlled by an adjustable thermostat, current draw is more efficient maintaining the fridge and its contents at a temperature controlled by a knob. Some designs have a thermometer. The colder the setting, the...