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2014 Cayman S Battery Voltage

  • 2014
  • Cayman S
Mileage: 
19 900
Electrical and Electronic
Brookfield, 
Wisconsin

I'm concerned that I may have a battery issue.  The battery in my 2014 Cayman S is original.  When driving, the MFD battery voltage monitor indicates about 14 to 14.5 volts.  However, after parking for a few hours that voltage drops down to approx. 11.8 to 12.0 volts.  I've had the battery load checked by two sources and they both indicate the battery is perfect.   Is it normal for the battery voltage to be showing that low after being parked for 8 - 24 hours?

 

Thanks!

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