Cordless phone--on charge or not
Dick Miles
of time entering phone numbers and names for.
If I go on vacation for several months, should
I leave it on the charger? Will it overheat if I do?
Will it eventually loose its memory if I don't leave
it on the charger?
Chris Schmelzer
"Dick Miles" <dick...@REMOVEmindspring.com> wrote:
It will likely get warm, but, given the slow charging rates, I doubt it
would overheat...
It WILL however, decrease the life of the battery pack, as it gets
overcharged, but, as long as you know this and are willing to buy a new
one, it is probably the best option..
Leaving it off the charger will almost surely mean a dead battery and
lost memories..
--
Chris Schmelzer, MD
Milwaukee, WI
Dick Miles
I did get someone at AT&T (model 9341 with 50 memories)
on the phone today and was told to take it off the charger.
When I asked about the memories, I was told "if the phone
is not malfunctioning the memories would be retained".
But I'm not convinced.
Dick
"Chris Schmelzer" <ch...@coffeecafes.com> wrote in message news:chris-46EFBF....@taliesin.netcom.net.uk...
Dick Miles
Now they said that when the batteries run down the
memories will be lost. And "the batteries would run down
in 12 days with the ringer off" according to the User's Manual.
I had hoped there was some kind of permanent memory
in the phone, but I guess not.
Dick
"Dick Miles" <dick...@REMOVEmindspring.com> wrote in message news:9hgb5m$c4r$1...@slb2.atl.mindspring.net...
Chris Bryant
I would buy a cheap timer, set it to turn on for a few hours a
day , and plug the base into that. I would also unplug the phone line.
--
Chris Bryant
Bryant RV Services- http://www.bryantrv.com
On RVing-RV TV about RVs, by RVers: http://www.onrving.com
On RVing Forums- http://www.onrving.com/forums/default.asp
Ranger Alarm Services
for long periods, then I doubt the battery will over charge or over heat. The
way it should work is that once the battery reaches its full capacity, the
charger will sense this and maintain a trickle charge only and keep the battery
from dying. I know lots of people who are away for the winter and have no
problems with this.
>Subject: Cordless phone--on charge or not
>From: "Dick Miles" dick...@REMOVEmindspring.com
>Date: 6/28/01 10:19 AM Eastern Daylight Time
>Message-id: <9hfg3r$lpm$1...@slb6.atl.mindspring.net>
All the best,
John
RANGER ALARM SERVICES
Serving: Nassau,Suffolk,Brooklyn and Queens N.Y.
Chris Schmelzer
Chris Bryant <Bryan...@cfl.rr.com> wrote:
> On Thu, 28 Jun 2001 07:19:25 -0700, Dick Miles wrote:
>
> >I have a cordless phone that I've spent a lot
> >of time entering phone numbers and names for.
> >If I go on vacation for several months, should
> >I leave it on the charger? Will it overheat if I do?
> >Will it eventually loose its memory if I don't leave
> >it on the charger?
> >
>
> I would buy a cheap timer, set it to turn on for a few hours a
> day , and plug the base into that. I would also unplug the phone line.
Great idea!
--
Paul B
laying around.
--
Broussard Paint Contractors, friend of Bill's
http://www.broussardpaint.com
"Chris Bryant" <Bryan...@cfl.rr.com> wrote in message
news:83enjtkhtdpaug2om...@4ax.com...
Dan Hicks
Get one of those light timers you put you lights on during your
vacation. Plug the charger into that and set it to charge daily for the
minimum amount of time the timer will permit (generally about 90
minutes). Ideally you should get a 7 day timer and set the timer for a
2-4 hour charge once a week, but the 7 day timers are hard to find.
--
Dan Hicks
A conclusion is simply the place where you got tired of thinking.
webm...@diehansonsux.com
is removed. I would contact the manufacturer of the phone to find out for
sure. But, don't leave the battery constantly charging for a long time -
this will badly overcharge it, and will cause it to eventually permanently
"die". If after calling the manufacturer, and I found out that the memory
will hold, I would leave the phone off the charger(maybe even remove the
battery from the phone), and recharge it (reinsert battery first if removed)
when I get back.
In article <3B3FE4C0...@ieee.org>, danh...@ieee.org says...
Edwin Pawlowski
> But, don't leave the battery constantly charging for a long time -
> this will badly overcharge it, and will cause it to eventually permanently
> "die".
No longer true with today's batteries. I have a portable that is on charge
constantly and when put into service once a month or so for any serious
time, has the life needed. Another portable is about 6 months old with no
problems. It is never off the charger more than an hour at a time, mostly
on weekends.
Ed
e...@snet.net
http://pages.cthome.net/edhome
JTM
permanently die" the battery doesn't just instanly die at any given time.
Batteries will more slowly lose their capacity with the overcharging over
time. So you'd probably experience a reduced run time on stand-by if you
left your phone off the charger, shorter than when the phones were new.
Since you are only leaving them off for no more than an hour at a time, you'd
never notice the difference in battery capacity for upwards of 3 years, until
they start to need charging after just the one hour. This would be true if
you have typical NI-CAD batteries. This happens when a ni-cad battery is
"full" with electricity, it can't fit any more electricity in them, and the
extra electricity is dissipated as heat, which causes them to warm. It turns
out that the heating has a negative effect on the battery. The heating
will slowly damage the battery cells, causing thier capacity to be reduced.
With the typical slow charger in cordless bases, the battery may only feel
slightly warm, and this heat degrading process may take a good couple of
years. Since one hour of talk time is a somewhat small portion of the
battery's capacity, what you could do is still charge it after the one hour,
but try not to leave it there charging for more than 3 hours at a time. This
shortening of the overcharge process will greatly increase your battery's
overall life span. Some things to point out are that a small number of
phones have an automatic charge stopper in them for ni-cad batteries. If you
happen to have one of these, then all I told you is nothing, the charger base
will stop the overcharging automatically. All of this is assuming if you
have a ni-cad type battery, there are some other different type of batteries
used in phones, they have different properties to them, so I will point them
out below.
ok, If you do not have a NI-cad, but have a ni-mh type, these aren't as
sensitive to heat, but are more sensitive to the overcharge current itself.
So, I would apply the same thing as described above for a ni-cad.
A sealed lead acid (SLA) type battery is almost totally imune to any
overcharging, only can be overcharged say if there's something wrong with the
charger base that it's putting out to high voltage. these kind can be left
on the charger indefinatly. Actually, it's better to charge these more often
- they will last longer overall if charged more frequently.
A lithium ion, lith-ion, or li-ion is so sensitive to overcharging in fact,
that all chargers for these batteries have an automatic charge stopper so
that no overcharge will ever happen. These also last longer overall if
charged more frequently, provided that the automatic charge stopper is
functioning properly.
JTM
In article <eeY%6.2470$xd.5...@typhoon.snet.net>, e...@snet.net says...
Edwin Pawlowski
news:9hrk62$chhch$1...@ID-21921.news.dfncis.de...
> did you ever leave your phones off the charger longer? I mean by
"eventually
> permanently die" the battery doesn't just instanly die at any given time.
Once in a while they are off longer. Even forgot one for a few days. It
was dead, but I have no idea how long.
> Some things to point out are that a small number of
> phones have an automatic charge stopper in them for ni-cad batteries. If
you
> happen to have one of these, then all I told you is nothing, the charger
base
> will stop the overcharging automatically.
This is probably the case as the instructiosn said it was OK to leave it on
all the time.
I have "cycled' them a couple of times with a deep discharge, but no
particular rhyme to doing it. Mostly a case of the phone just not getting
put back.
Thanks for the clarification
Ed
e...@snet.net
http://pages.cthome.net/edhome
Polar
wrote:
That's very interesting! I have (had) a security flashlight - big one
-- that was *supposed* to be allowed to run down completely every so
often, or it wouldn't hold a charge properly. Same with elec
toothbrush.
So things have changed??
--
Polar
Polar
>been a while (years) polar. you probably ought to consider a new
>toothbrush...
Oh, funneee!
Guess what, I broke down and got a Krups, after Interplak proved
un-consumer-friendly.
--
Polar