Take the AmpHour rating of the battery and divide it by 4.5(amp rating for the cooler); this should provide an estimate for runtime.
by Camping World – December 03, 2015
The innovative Koolatron P65 Kargo cooler has a 33 quart capacity and features a split lid/door design to give you easy access to your favorite drinks and snacks, even in a tightly packed vehicle.
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