How long will a 996 battery last?
- 2003
- 911 Carrera Cabriolet
Mileage:
31 000
Electrical and Electronic
Southampton, 
New York
I keep my battery connected to a trickle charger in the winter, but it recently died. I replaced the alternator 2 years ago, but the battery is 5+ years old. Should 996 batteries be replaced after a certain amount of time as part of regular maintenance?
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