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Discussion Starter #1
Hi All, Wondering if those who have their GT4 Cayman's could check their battery to see if they have a AGM or Lead battery? Mine says: Banner 12V 70 Ah 760A EN part # 99961107012. Also says it has sulfuric acid in there so I assume a typical lead battery? I know on a Macan S, they list AGM on the battery. Thanks in advance.
 

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Premium Member
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282 Posts
Discussion Starter #3
Good point. However, the one I have has a vent tube so I wonder if that means it's a Lead battery and not AGM. As I understood, AGM batteries do not have a vent tube? Hopefully someone who has a GT4 will confirm. Thanks
 
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