I have had the battery disconnected in my 2013 F150 several times and never worried about keeping power on. You will need to reset the clock etc but I cannot recall any adverse issues. I suppose the computer has to relearn some things but that may not be a bad thing.

Randy

On 3/9/2022 8:38 PM, OK Don via Mercedes wrote:
I'm thinking it's time to replace the original battery in our 2013 F150,
just in case it dies when I'm away from home. The question is, do I need to
maintain 12v to the car while changing batteries? If so, how - via the
lighter socket or juggling wires with another battery as I change them?
I guess I could try to RTFM, but it's easier to ask here ---


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