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1999 996 Dead Battery

Electrical and Electronic

Vehicle Information: Year: 1999; Body Type: Coupe; Total Mileage: 56000;

My 1999 996 daily driver battery just died. It's the original battery that the car was delivered with in 1998, and the battery became weaker at startup over several days, so maybe it's just time.My question involves the voltmeter. During the week prior to the dead battery, the voltmeter would read about 14.5 volts during normal driving. This is higher than I usually see (normally 13.5) and higher than it is currently reading with the new battery. Was the voltmeter trying to tell me something that could have prevented me from becoming stranded? Was the high voltage a signal the battery was about to die? And if so, what causes the high voltage? Thanks

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