Weight is obviously one of the many enemies of fuel economy, and while folks who can afford Porsches generally shouldn’t have to anguish about fuel economy, it’s still interesting to see Porsche come out with a lithium-ion replacement main battery which weighs just 13 pounds, compared to the traditional 35 pound lead acid battery. It’ll set you back $1,700, which should be peanuts for Porsche owners. whether you happen to own the 2010 Porsche 911 GT3, 911 GT3 RS and Boxster Spyder, you’ll be able to own that fancy car battery.

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Orginal post by Mike