If you are interested in lithium batteries there is tons of information's on
address:

http://www.saftbatteries.com/120-Tec...ium_system.asp

Michael

"Robert Ehrlich" wrote in message
...
Bill Daniels wrote:
...
Cell phones with Li-ion batteries work just fine if
charged regularly.
...

No. Most lead-acid batteries in my club are much older than
my cell phone and are still working, while the battery of my
cell phone is dead.