Article View: comp.sys.mac.apps
Article #11939Re: Looking for battery PB discharger
From: Art Beattie
Date: Mon, 25 Jan 1993 06:54
Date: Mon, 25 Jan 1993 06:54
122 lines
6108 bytes
6108 bytes
In article <C15yoG.Kzw@dartvax.dartmouth.edu> hades@dartmouth.edu
writes:
>
> I know that this post seems out of date, but everything that I
have
> posted since the first of the year never made it out of my site. I
> apologize if the discussion in question has already ended.
>
>
> >In article <1993Jan4.212139.5593@linus.mitre.org>,
dsb@mbunix.mitre.org
> >wrote:
> >>
> >>Has anyone seen a battery discharger/recharger in the adds???
The
> >>powerbook battery suffers from the NiCad "Memory" effect. The
powerbook
> >>only allows the battery to discharge about 50%, then after one or
two
> >>discarge/charge cycles the battery "forgetts" it is supposed to
be a
> >>three hour battery and becoms a 1 1/2 hour battery. I have seen
a
> >>device advertised in, I believe. MacWeek, that both discharges to
zero
> >>and recharges the battery, but, I don't remember exactly when or
where.
> >
> > The "Memory Effect" is most likely a myth for PB batteries. But
Lind
> >Electronic Designs makes a charger/discharger that works slick
(I've got
> >one). One of the big mail-order firms should carry it.
>
> Yes, it is quite likely a myth, but a full cycle
discharge/charger
> is probably needed for any of the batteries to reach their full
> capacity. The Powerbooks, even if you let the battery go until it
puts
> itself to sleep still has about 5-10% of the charge left on the
battery,
> and this can result in you not getting the full charge out of your
> batteries. This information was found in the latest MacUser which
does
> an extremely thorough review of Powerbooks, and battery life.
>
>
>
> --
> -Brian V. Hughes
> "December 1 - What begins as a friendly transitional get-together
between
> the Bushes and the Clintons ends in tragedy when Millie ralphs up
what
> is later identified as Socks the cat." Dave Barry 1992 Year in
Review
For those that are interested, MacZone {(800) 248-0800} sells one;
M05354 Full Cycle Battery Charger for $138 plus $3 P&H.
Made by Applied Engineering.
I have no interest in either company, just supplying a source.
I speak for myself only.
-- NewsGrazer, a NeXTstep(tm) news reader, posting --
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`
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Path: arc1-ca.pugleaf.net!sparky!uunet!noc.near.net!transfer.stratus.com!transfer.stratus.com!usenet From: abea@dragoon (Art Beattie) Newsgroups: comp.sys.mac.apps Subject: Re: Looking for battery PB discharger Date: 25 Jan 1993 06:54:50 GMT Organization: Stratus Computer Inc, Marlboro MA Lines: 122 Message-ID: <1k02rqINNdl4@transfer.stratus.com> References: <C15yoG.Kzw@dartvax.dartmouth.edu> Reply-To: abea@az.stratus.com NNTP-Posting-Host: dragoon.az.stratus.com