Jon "Sheer" Pullen wrote:
> 
> However, there comes the question of how to haul that much 
> lead around - the debate goes on as to what the exact number
> is, but I've always used 650 lbs of lead = 1 gallon of
> gasoline. So if you've got a car that gets 22 mpg (typical
> of a pickup truck), you'd need 3 x 650 = 1950 lbs of lead,
> almost a ton! Plus balancing, battery heaters, racks,
> charger you're looking at 2500 lbs _before you add in the car_.

That's getting pretty heavy.  Thanks for the rule-of-thumb.
What do you mean by "balancing"?

> You might want to look into the following alternate battery 
> technologies (in
> no particular order)

And thanks for the summary.

> NiZn [my personal choice.. cheap, but short lived at 500 
> cycles, approx 3X
> the energy density of lead but can't deal with long 
> high-current draws]
> www.evercel.com

When you say "can't deal with long high-current draws",
how long is long?  Are we talking seconds or minutes?

> LiON [Always popular with the big-bucks crowd.. expect to pay 
> $50k+ for your
> battery pack, but wow, will it be light.

If I start saving now, I might be able to afford it in 20 years...
if I'm still alive....
 

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