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- Path: 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
-
- 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 I know that this post seems out of date, but everything that I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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-