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Old 09-14-2009, 05:06 PM   #77 (permalink)
captainslug
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Join Date: Sep 2008
Location: Sterling, VA
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BORK! - '89 Volvo 240 DL Wagon
90 day: 21.27 mpg (US)
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Quote:
Originally Posted by MazdaMatt View Post
It may be a lot of number crunching and speculation, but I'd love to see what you figure the costs are with a "premium" battery. You'd have less weight, higher efficiency and longer lifetime.
I managed to find some cycle life charts that compare cheap SLA batteries to deep-cycle models and the result is

Deep-Cycle (50% more cycle life, 1.2kw)
Cost per 2,000 miles: $187

Low-cost SLA pack (1.2kw)
Cost per 2,000 miles: $190-225

LiFePO4 pack (400% more cycle life, 1.4kw)
Cost per 2,000 miles: $250
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