On 18 Nov 2011 19:34:01 GMT, Han wrote:

"HeyBub" wrote in
:

Again, read the article.

Sorry, I haven't read the article. Nevertheless, below ...
The author chose lead-acid for his example
because:

A. Lead is the cheapest
B. Efficient (85% in a charge cycle)
C. Well-tested technology (over 150 years of use and development)
D. Lead is common
E. Lead-acid batteries are, by far, the most common option in power
storage devices

There must be a reason that lithium batteries are most often used for
systems large (cars) and small (laptops, camera batteries). Isn't high
current charge and discharge one of those reasons?

Size and weight