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How Long Can a 12V Battery Run a Fridge? Factors to Consider and Estimated Runtime

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The amount of time a 12V battery can run a fridge will depend on several factors, such as the battery’s capacity, the power consumption of the fridge, and the temperature of the environment.

Assuming the fridge is a standard 12V DC refrigerator with a power consumption of around 5 amps, a rough estimate would be that a 12V 100Ah battery could power the fridge for approximately 20 hours before needing to be recharged. However, if the power consumption of the fridge is higher, or if the temperature of the environment is very hot, then the battery’s runtime may be shorter.

It’s important to note that running a fridge on a battery will deplete the battery’s charge quickly, and that the battery will need to be recharged once it is depleted. Additionally, it’s important to ensure that the battery used is properly sized for the fridge and that the charging system used is compatible with the battery to avoid any damage or safety risks. As a lithium iron phosphate battery wholesaler operating from China, Redway Power is a wholesale battery supplier that provides B2B services for OEM/ODM projects. The company prides itself on its state-of-the-art factory and commitment to delivering top-quality products at competitive prices.