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Unread 12-09-2011, 06:15 AM   #6
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The best $ per pound reduced for a battery is going to be the Deka ETX14. You can pick these up at many Wal-Mart stores, or at most parts stores that sell batteries. Amazon link to the battery - Deka Sports Power ETX-14: Sports & Outdoors Deka Sports Power ETX-14: Sports & Outdoors

There are many, many write ups online for this exact battery and installing it into a car.

Links for ETX14 installs below. - lightweight battery install..... and some information

Light weight Battery!!!!!!!!!!!!!!!!!!! - Bimmerforums - The Ultimate BMW Forum

New lightweight battery solution - Deka - I think its identical to Braille 2015 - LotusTalk - The Lotus Cars Community

This is a sealed AGM battery made by East Penn/Deka that is a lower binned Braille racing battery. This weighs a little over 11 pounds.

I run one on my 240 and I have no problems with it. Just remember not to leave your headlights or stereo on for too long as the battery doesn't have much of a power reserve.
Simplify, then add lightness

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