Re: Question - auxiliary power
Good advice from cdbrow1.
The power point runs off 12V from fuse #14 (30A) and according to the manual only operates with the ignition in the run position. It also has a maximum of 150W capability or about 1.3A, check your cooler to see if it will even run off this low power.
Most automotive 12V batteries only have about 80 Ampere Hours and to protect the battery should never be drained more that about half of their capacity. So take the Amperes your cooler needs at 12V and divide that into 40Ah to get how long you can run the cooler also at colder ambient temperatures you can only get about 25%.
Good Luck, Don
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