Thread: 2009 Cayman S Battery Replacement
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Old 08-18-2015, 08:44 PM   #4
Topless
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Join Date: Nov 2006
Location: Southern ID
Posts: 3,701
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I like AGM batteries. Do use an AGM rated charger/maintainer with it though. Chargers with anti-sulfate function will cause damage.
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2009 Cayman 2.9L PDK (with a few tweaks)
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