On Sat, 03 Oct 2009 08:26:56 -0400, Meat Plow
wrote:

On Sat, 03 Oct 2009 00:10:54 -0700, Jeff Liebermann
wrote:

snip
No problem. However, I'll stand on the Wikipedia 20%/year loss at
100% charge at room temperature for commodity laptop batteries.

My Asus model MNB600's battery has lived at pretty much full charge
and at room and above temperature for 5 years with not a significant
loss of capacity. It still goes around 2.5 hours speed stepped down to
800 mhz and about 1 hour at full speed 1.8 ghz.

If the battery lived INSIDE your laptop, it's not at room temperature.
Laptops run hot.

One of my enrolled agent customers used IBM A31/A31p laptops as their
main computahs. The grand plan was to make it easy to take them on
interviews at clients homes, but that rarely happened. The batteries
were at 100% charge, inside a hot laptop, for 24x7x365. After 2.5
years, all the batteries were essentially dead with perhaps 10 minutes
runtime.

Rhetorical question:
Why don't UPS manufacturers use Li-Ion batteries?

--
Jeff Liebermann
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558