NTLK Battery Technologies in General (OFFTOPIC)

From: Victor Rehorst (chuma@chuma.org)
Date: Tue Jul 04 2000 - 21:40:33 CDT

On Wed, 5 Jul 2000, Ben Doughney wrote:

> I was told by someone that you can get rid of the NiCad memory by putting
> batteries in the freezer. Is this true?

Sort of following along these lines - is their any resource on the web to
get /straight/ information about battery technology? Every site I've ever
seen is just full of hype and boilerplate marketing junk, and every battery
vendor I've talked to doesn't know anything. Here is what I think is true -
am I correct?

NiCad - have memory effect. Good to do full "deep" discharges.

NiMH - have slightly less memory effect than NiCads. Not good to do "deep"
discharges often.

Li-Ion - have less memory effect than NiMH, but still some. **NOT** good to
deep discharge often. Good to keep them topped up as much as possible -
deep discharge about every month or so (this is what I do with my cell phone

Victor Rehorst - victor@eddie.cis.uoguelph.ca | chuma@chuma.org
Secretary, CASU & CPES College Governments, University of Guelph, Canada
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