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skyl4rk · 07-09-2008, 10:36 PM

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.

07-09-2008, 10:36 PM	#2 (permalink)
skyl4rk Coasting Down the Peak Join Date: Jun 2008 Location: M I C H I G A N Posts: 514 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) Thanks: 27 Thanked 42 Times in 35 Posts	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. __________________ Nissan Versa Aeromods