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Old 07-09-2008, 09:36 PM   #2 (permalink)
skyl4rk
Coasting Down the Peak
 
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Join Date: Jun 2008
Location: M I C H I G A N
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Toyauto Pickup - '94 Toyota Pickup 2WD
90 day: 36.32 mpg (US)

Versa Base - '09 Versa Sedan 1.6 Base
Team Nissan
90 day: 41.69 mpg (US)
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I get about 12 miles out of my lead acid 36V x 12aH = 432WH

432WH / 12 miles = 36 WH per mile

30 miles X 36WH per mile = 1080WH

1080WH / 48V = 22.5aH

My system is not efficient, it is brushed. It is running at about 17mph and that is a 12 mile trip using almost all power, just a little pedaling, with very little reserve power left when I get home.

I think you are about right at 48V 20aH.

I would look at LiFePo batteries myself. The weight reduction is really worthwhile for handling and more importantly more miles per aH. It is more fun to pedal. But I am still running a lead sled so what do I know.
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