 |
|
|
|
|
|
| |
| |
|
|
|
|
| |
| |
|
|
On Tue, 02 Dec 2008 10:24:18 -0500, Tom Austin <taustin> wrote:
>
>IIRC, Li-ion batteries do have a problem with building up a *resistance*
>barrier inside. While researching batteries several years ago I ran
>across some information, but I don't remember too much now.
>
From what I can remember, the internal resistance builds up due to age. Whether
the battery is used or not.
>If you follow a particular discharge pattern they will build up an
>actual 'film' internally on an electrode. This would increase the
>internal resistance of the battery. A lot of electronics detect this as
>a dead battery and shut off accordingly. The problem is that the
>battery still does have a good charge, just a higher internal
>resistance. If you hook it up so that a current continues to be drawn
>then the 'film' is burned off and the internal resistance decreases to
>normal.
You live and learn :)
Again I did not know that.
--
Regards
Stephen
Post a reply to this message
|
|
| |
| |
|
|
|
|
| |
| |
|
|
scott wrote:
> "actually we think people like the old shiny reflective screens better,
> can't you make them like that". :-) Shiny things sell!
Or, as Dilbert said,
"I notice passenger-side air bag wasn't in your list."
"We find it's not cost effective to cater to those
not making the purchasing decision."
--
Darren New, San Diego CA, USA (PST)
The NFL should go international. I'd pay to
see the Detroit Lions vs the Roman Catholics.
Post a reply to this message
|
|
| |
| |
|
|
|
|
| |
| |
|
|
Invisible wrote:
> The problem is, after 4 months the battery in a laptop stops working,
I suspect they've fixed this. It used to be somewhat the problem.
> impossible to use a computer without a mouse, so you must have a mouse
> connected too.
Most laptops have such built in these days.
> (plural)... I don't need those connected *all* the time, but it's a faf
> to plug stuff in each time I need it...
So go to the desktop machine when you need them. Share the printer and use
it remotely when you need it. :-)
I have a friend whose house is networked to the nines, and he still
complains about his flakey KVM. What??
> In short, a laptop makes no sense for me at all. And yet, I keep wanting
> to buy one.
They are indeed like that, I will say.
--
Darren New, San Diego CA, USA (PST)
The NFL should go international. I'd pay to
see the Detroit Lions vs the Roman Catholics.
Post a reply to this message
|
|
| |
| |
|
|
|
|
| |
| |
|
|
>> In short, a laptop makes no sense for me at all. And yet, I keep
>> wanting to buy one.
>
> They are indeed like that, I will say.
Heh. Well they are *designed* to be like that, eh? ;-)
There are people who have a similar problem with eating things. At least
I haven't actually *bought* a laptop! :-D
Post a reply to this message
|
|
| |
| |
|
|
|
|
| |
| |
|
|
Stephen wrote:
> Li-ion batteries can be kept on charge all the time, I believe.
More precisely, due to the complexities of charging Li-ion batteries without
making them explode, the charger has to have enough smarts to know when to
stop charging the battery even if it's plugged in. So you can leave them on
the charger indefinitely, and the charger will stop charging them as
appropriate.
--
Darren New, San Diego CA, USA (PST)
The NFL should go international. I'd pay to
see the Detroit Lions vs the Roman Catholics.
Post a reply to this message
|
|
| |
| |
|
|
|
|
| |
| |
|
|
"Stephen" <mcavoysAT@aolDOTcom> wrote in message
news:j2maj41q9grjmd39acovbqjgoq1sfi7i64@4ax.com...
>
> I guess that your place is cool in the summer.
>
Unfortunatly not. I have floor-ceiling windows on the side that faces ENE,
so I get full sun from sunrise to just before midday. Then there are smaller
windows on the other side (WSW) which catch the sun from about 4pm til 6.
On the second floor, so above most of the shading trees.
Post a reply to this message
|
|
| |
| |
|
|
|
|
| |
| |
|
|
On Tue, 2 Dec 2008 19:17:05 +0200, "Gail" <gail (at) sql in the wild (dot) co
[dot] za> wrote:
>
>"Stephen" <mcavoysAT@aolDOTcom> wrote in message
>news:j2maj41q9grjmd39acovbqjgoq1sfi7i64@4ax.com...
>>
>> I guess that your place is cool in the summer.
>>
>
>Unfortunatly not. I have floor-ceiling windows on the side that faces ENE,
>so I get full sun from sunrise to just before midday. Then there are smaller
>windows on the other side (WSW) which catch the sun from about 4pm til 6.
>
Where do those architects park their brains?
I have something similar in my flat. The living room has floor to ceiling
windows South and West. Hot in the summer and cold in the winter. Tut! Tut!
>On the second floor, so above most of the shading trees.
Do you live in the bush? :) Small trees, I'm on the forth floor and the trees
outside are about 10 feet higher than my window.
Come to think of it I did not see many tall trees in Nigeria except in the Delta
but then I was above them in a helicopter so it was hard to gauge the height.
--
Regards
Stephen
Post a reply to this message
|
|
| |
| |
|
|
|
|
| |
| |
|
|
On Tue, 02 Dec 2008 08:33:31 -0800, Darren New <dne### [at] san rrcom> wrote:
>Stephen wrote:
>> Li-ion batteries can be kept on charge all the time, I believe.
>
>More precisely, due to the complexities of charging Li-ion batteries without
>making them explode, the charger has to have enough smarts to know when to
>stop charging the battery even if it's plugged in. So you can leave them on
>the charger indefinitely, and the charger will stop charging them as
>appropriate.
I'm glad to hear that I'm doing the right thing.
--
Regards
Stephen
Post a reply to this message
|
|
| |
| |
|
|
|
|
| |
| |
|
|
Stephen wrote:
> On Tue, 02 Dec 2008 10:24:18 -0500, Tom Austin <taustin> wrote:
>
>> IIRC, Li-ion batteries do have a problem with building up a *resistance*
>> barrier inside. While researching batteries several years ago I ran
>> across some information, but I don't remember too much now.
>>
>
> From what I can remember, the internal resistance builds up due to age. Whether
> the battery is used or not.
>
A internal resistance may build due to age, but I think that is
different that what I am referring to.
>> If you follow a particular discharge pattern they will build up an
>> actual 'film' internally on an electrode. This would increase the
>> internal resistance of the battery. A lot of electronics detect this as
>> a dead battery and shut off accordingly. The problem is that the
>> battery still does have a good charge, just a higher internal
>> resistance. If you hook it up so that a current continues to be drawn
>> then the 'film' is burned off and the internal resistance decreases to
>> normal.
>
> You live and learn :)
> Again I did not know that.
It has been many years since I researched this information - I don't
know how accurate I am.
So don't take what I say as fact - only as something to chew on and do
further research on.
Post a reply to this message
|
|
| |
| |
|
|
|
|
| |
| |
|
|
"Stephen" <mcavoysAT@aolDOTcom> wrote in message
news:jkraj41muuer1ohs99d9v68d4jtc96k1uo@4ax.com...
>
> Where do those architects park their brains?
Wish I knew.
> I have something similar in my flat. The living room has floor to ceiling
> windows South and West. Hot in the summer and cold in the winter. Tut!
> Tut!
Yup. That sounds familiar
>>On the second floor, so above most of the shading trees.
>
> Do you live in the bush? :)
No. I live in a city.
> Small trees, I'm on the forth floor and the trees
> outside are about 10 feet higher than my window.
> Come to think of it I did not see many tall trees in Nigeria except in the
> Delta
> but then I was above them in a helicopter so it was hard to gauge the
> height.
The tallest trees around here come to about the top of my window. Pity
they're too far away to give effective shade.
The building is pretty high. The ground floor (which is a parking area) is
about 4 m high (a guess, I haven't measured). The floors aren't as high, but
my ceiling is 2.75 m above the floor (which really made curtains expensive,
and doesn't help with the temp in winter)
Post a reply to this message
|
|
| |
| |
|
|
|
|
| |
