Quote:
Originally Posted by Stück
Nominal voltage vs. state of charge is not necessarily relevant without the batteries temperature and composition taken into account. Our batteries are AGM type.
12.2v at 70F for example is going to be about 35-40% nominal state of charge.
Again, how old is your battery? If it is more than 4-5 years old it is likely dying. You can continue to waste time on something that will leave you stranded, or you can replace it with a new battery. Batteries are consumable maintenance items on these cars.
Make sure the replacement is of like kind and rating and register it with the vehicle.
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thank you, I will check the production date. it's a 2014 F10. car's production date was July 2013. the car started the services in Jan 2014. unless someone swapped my battery with an old one, I think it should still be in the okay status.
my car temp is 20F (-6C) . the production date is on the negative post ,right?
I will check when I get home..
Thank again!!