Batteries..

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Originally Posted by mikesz

thinking about going with an optima. A lot of talk about the odessy batteries but when i look they are for motorcycles? these are much lighter than stock. Can anyone enlighten me on which one they are using for their boxster? I dont drive mine in the winter, I live in RI. Its basically a summer car used for joy riding on the weekends.

These are all good lightweight choices:

Deka motorsport AGM battery- 17 lbs $89
Odyssey PC680 AGM battery- 15 lbs $114
Shorai LFX36 Lithium Iron battery- 5 lbs- $300

You will have to fabricate a solid mount or battery strap and I recommend keeping an AGM on a battery maintainer designed to work with AGM batteries if the car sits for longer than 1 week. Porsche electronics draw current even when the car is off.