HP3000-L Archives

October 2003, Week 5

HP3000-L@RAVEN.UTC.EDU

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Subject:
From:
Tracy Pierce <[log in to unmask]>
Reply To:
Tracy Pierce <[log in to unmask]>
Date:
Thu, 30 Oct 2003 08:08:54 -0800
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finally I get to say I agree with Denys!  ;-)

the "grief" he mentions might well include serious burns and vision loss as
side effects of a nice little caustic explosion.

> -----Original Message-----
> From: Tom Brandt [mailto:[log in to unmask]]
> Sent: Thursday, October 30, 2003 7:30 AM
> To: [log in to unmask]
> Subject: Re: Notebook battery life
>
>
> Thanks. Guess I need a new battery.
>
> At 10:25 AM 10/30/2003, Denys Beauchemin wrote:
> >WARNING:   Don't do that to a Lithium Ion battery!!!  That trick may,
> >underline may, work with old Ni-Cad batteries but it will do
> nothing for
> >a Li-Ion battery except perhaps bring you grief.
>
> <snip>
>
> >The Lithium-Ion, and more recently, Lithium Polymer technology has NO
> >memory effect at all.  It is the lightest of the three
> technologies and
> >has the highest power density.  Further it does not
> self-discharge like
> >the NiMh and to some degree the Ni-Cad.  The Li-Ion
> batteries are very
> >sophisticated pieces of equipment with built-in chips to manage the
> >charging and discharging process.  Its downsides are cost and useful
> >life.  It only lasts through 400-500 cycles.  For me this translates
> >into about 18 months of useful life.  This is why Li-Ion and Lithium
> >Polymer batteries are only warranted for one year.
>
> --
> Tom Brandt
> Northtech Systems, Inc.
> 130 S. 1st Street, Suite 220
> Ann Arbor, MI 48104-1343
> http://www.northtech.com/
>
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