Yes, you can replace your Porsche’s OEM battery with an aftermarket battery if you’d like, as long as it has the same group size and the same or higher cold cranking amps (CCA) as your original battery.
If you do decide to replace your OEM Porsche battery with an aftermarket option, we’d recommend going with an Interstate, Duralast, or DieHard—all of these brands are well-liked in the Porsche community, so you shouldn’t have a problem finding one that suits your needs.
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