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Old 10-24-2010, 03:39 PM   #2
Burg Boxster
Registered User
 
Join Date: Nov 2006
Location: In the garage...
Posts: 1,702
Look at :

CTek (they make the Charge O Mat II for Porsche)

or Battery Tender

count on spending ~$40-70 US for a decent maintainer.

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