option

Perhaps only Porsche, with its long legacy of pricey options, could consider charging $1,700 for a starter battery. To be fair, this isn't just any old 12-Volt lead-acid starter battery. It's a lightweight, lithium-ion pack with a similar form factor and the same mounts as a standard battery. It's not only 3 inches lower, but also--at 13 pounds--a full 22 pounds lighter than the original. The lithium-ion starter battery will go on sale in January as optional equipment in the 2010 Porsche 911 GT3 and GT3 RS, along with the 2011 Porsche Boxster Spyder that launched last week at the Los Angeles...