JC OConnell hifis...@gate.net wrote:
Pardon my last post
I think I'll go and have a little lie down now.
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JC OConnell hifis...@gate.net wrote:
nimh technology is nimh technolgy, I havent
read anything anwhere that there are different/special
characteristics for any of these cells...
JC O'Connell
hifis...@gate.net
It's more like the difference between an axe made from cast iron and one
Charles Robinson wrote:
On Dec 22, 2008, at 19:31, JC OConnell wrote:
DID YOU READ MY EARLIER POST?
WE ALL DID.
No. Not all of us...
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On Tue, Dec 23, 2008 at 8:35 AM, Mark Roberts msrobert...@ysu.edu wrote:
Charles Robinson wrote:
On Dec 22, 2008, at 19:31, JC OConnell wrote:
DID YOU READ MY EARLIER POST?
WE ALL DID.
No. Not all of us...
SPEAK UP, SONNY, I CAN'T HEAR YOU!
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- Original Message -
From: Mark Roberts
Subject: Re: rechargeable batteries - any wisdom?
Charles Robinson wrote:
On Dec 22, 2008, at 19:31, JC OConnell wrote:
DID YOU READ MY EARLIER POST?
WE ALL DID.
No. Not all of us...
Shucks, did I miss something??
William Robb
Thank you to all who provided with the brand names of the
low self-discharge rate batteries,
and reminded about thomas-distributing.com
Igor
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Sanyo Eneloop and Uniross Hybrio are the way to go. They last a lot longer
than standard Ni-MH (twice or more), especially because they have negligible
auto-discharge as opposed to extra-quick auto discharge of high-mAh rated
NiMH batteries. That's precious if you don't use/recharge your
Eneloops have a good rep. Get a quality charger. Thomas Distributing...
Godfrey - www.gdgphoto.com
On Dec 22, 2008, at 6:55 AM, Igor Roshchin s...@komkon.org wrote:
Hello all!
It looks like one of my two recent sets of AA batteries for my *ist DS
has suddenly died, so I am looking for a
Dario Bonazza wrote:
Sanyo Eneloop and Uniross Hybrio are the way to go. They last a lot
longer than standard Ni-MH (twice or more), especially because they
have negligible auto-discharge as opposed to extra-quick auto
discharge of high-mAh rated NiMH batteries. That's precious if you
don't
NIHM, and build yourself a trickle charger so you always
have a set at the ready. they dont sell trickle chargers
in the stores, most are fast or 1 day chargers
JC O'Connell
hifis...@gate.net
-Original Message-
From: pdml-boun...@pdml.net [mailto:pdml-boun...@pdml.net] On Behalf Of
I've just had the same experience, it being winter and all I've decided to go
with non rechargeable lithium batteries until the weather warms. I've had the
experience of NiHM's simply giving out in cold temperatures with plenty of
juice left after they've warmed up.
-Original Message-
: Monday, December 22, 2008 11:39 AM
To: Pentax-Discuss Mail List
Subject: Re: rechargeable batteries - any wisdom?
Dario Bonazza wrote:
Sanyo Eneloop and Uniross Hybrio are the way to go. They last a lot
longer than standard Ni-MH (twice or more), especially because they
have negligible auto
JC OConnell wrote:
nimh technology is nimh technolgy,
Shrug; optical technology is optical technology too ... :-)
In this case improved chemistry and design makes for a better NiMH cell.
I havent
read anything anwhere that there are different/special
characteristics for any of these
Subject: Re: rechargeable batteries - any wisdom?
JC OConnell wrote:
nimh technology is nimh technolgy,
Shrug; optical technology is optical technology too ... :-)
In this case improved chemistry and design makes for a better NiMH cell.
I havent
read anything anwhere
Of
Bruce Walker
Sent: Monday, December 22, 2008 1:10 PM
To: Pentax-Discuss Mail List
Subject: Re: rechargeable batteries - any wisdom?
JC OConnell wrote:
nimh technology is nimh technolgy,
Shrug; optical technology is optical technology too ... :-)
In this case improved chemistry and design
, December 22, 2008 1:10 PM
To: Pentax-Discuss Mail List
Subject: Re: rechargeable batteries - any wisdom?
JC OConnell wrote:
nimh technology is nimh technolgy,
Shrug; optical technology is optical technology too ... :-)
In this case improved chemistry and design makes for a better NiMH cell
All,.
JC is correct.
The chemistry is the same on all of the NiMH.
The different in this hybrid type -- accroding to Sanyo's paper), is the
material that they use for cathode. This supposes to reduce the
decomposition which causes self-discharge.
I have been using Eneloop for the last 18 monts
[mailto:pdml-boun...@pdml.net] On Behalf Of
Adam Maas
Sent: Monday, December 22, 2008 2:07 PM
To: Pentax-Discuss Mail List
Subject: Re: rechargeable batteries - any wisdom?
General chemistry is the same, but there's a LOT of variation possible
within that general chemistry. All NiMH indicates
, 2008 2:22 PM
To: Pentax-Discuss Mail List
Subject: Re: rechargeable batteries - any wisdom?
All,.
JC is correct.
The chemistry is the same on all of the NiMH.
The different in this hybrid type -- accroding to Sanyo's paper), is
the material that they use for cathode. This supposes to reduce
JC,
There are a couple of paper about this. I'm not technical enough to
understand all of it.
http://www.eneloop.info/fileadmin/EDITORS/ENELOOP/ARTICLES/Teraoka_Article_EN.pdf
I think there is also a couple of papers describing the technology.
Let me see if I can get additional info.
Igor Roshchin escribió:
Hello all!
It looks like one of my two recent sets of AA batteries for my *ist DS
has suddenly died, so I am looking for a replacement.
I use Eneloops in my DS. They hold their charge for very long periods of
time, and they also last a lot when used in the camera.
Bruce Walker wrote:
I second (or third) the Sanyo Eneloop recommendation. Dario, thanks for
mentioning the Uniross Hybrio--I hadn't heard of those.
Hybrios are far more diffused here in Italy than Eneloops, due to better
distribution. However, the Hybrios could be just rebadged Eneloops.
On Dec 22, 2008, at 11:38, JC OConnell wrote:
nimh technology is nimh technolgy, I havent
read anything anwhere that there are different/special
characteristics for any of these cells...
Well, good morning and time to start reading the news again.
Eneloops are very different from standard
On Dec 22, 2008, at 13:48, JC OConnell wrote:
if there is some other chemistry in a hybrid battery you are
referring
to,
then it not really a nimh battery is it?
If it works better, doesn't self-discharge more than 30% over a YEAR,
charges in ANY NiMH-compatible charger, and generally
On Dec 22, 2008, at 13:56, Pasvorn Boonmark wrote:
JC,
There are a couple of paper about this. I'm not technical enough to
understand all of it.
http://www.eneloop.info/fileadmin/EDITORS/ENELOOP/ARTICLES/Teraoka_Article_EN.pdf
I think there is also a couple of papers describing the
...@gate.net
-Original Message-
From: pdml-boun...@pdml.net [mailto:pdml-boun...@pdml.net] On Behalf Of
Charles Robinson
Sent: Monday, December 22, 2008 5:10 PM
To: Pentax-Discuss Mail List
Subject: Re: rechargeable batteries - any wisdom?
On Dec 22, 2008, at 11:38, JC OConnell wrote:
nimh
, but it a big
secret so far).
JC O'Connell
hifis...@gate.net
-Original Message-
From: pdml-boun...@pdml.net [mailto:pdml-boun...@pdml.net] On Behalf Of
Charles Robinson
Sent: Monday, December 22, 2008 5:14 PM
To: Pentax-Discuss Mail List
Subject: Re: rechargeable batteries - any wisdom?
On Dec 22
: pdml-boun...@pdml.net [mailto:pdml-boun...@pdml.net] On Behalf Of
Charles Robinson
Sent: Monday, December 22, 2008 5:15 PM
To: Pentax-Discuss Mail List
Subject: Re: rechargeable batteries - any wisdom?
On Dec 22, 2008, at 13:56, Pasvorn Boonmark wrote:
JC,
There are a couple of paper about
An interesting blog with considerable tests and a review of the
eneloops, a form of NiMH battery. With some input by Sanyo.
http://www.stefanv.com/electronics/sanyo_eneloop.html
Joseph McAllister
pentax...@mac.com
gallery.me.com/jomac
web.me.com/jomac/show.me/Blog/Blog.html
On Dec 22,
Pasvorn: The material used on the Cathode is the 'Metal Hydride' part
of the equation, it's half of the chemistry in and of itself.
-Adam
On Mon, Dec 22, 2008 at 2:21 PM, Pasvorn Boonmark pasv...@boonmark.net wrote:
All,.
JC is correct.
The chemistry is the same on all of the NiMH.
The
to me...
JC O'Connell
hifis...@gate.net
-Original Message-
From: pdml-boun...@pdml.net [mailto:pdml-boun...@pdml.net] On Behalf Of
Charles Robinson
Sent: Monday, December 22, 2008 5:10 PM
To: Pentax-Discuss Mail List
Subject: Re: rechargeable batteries - any wisdom?
On Dec 22
-Discuss Mail List
Subject: Re: rechargeable batteries - any wisdom?
On Dec 22, 2008, at 13:48, JC OConnell wrote:
if there is some other chemistry in a hybrid battery you are
referring
to,
then it not really a nimh battery is it?
If it works better, doesn't self-discharge more than 30
Dario Bonazza wrote:
Hybrios are far more diffused here in Italy than Eneloops, due to
better distribution. However, the Hybrios could be just rebadged
Eneloops.
Looks like a complicated story -- perfect for mentioning on PDML. :-)
This long thread on a forum inhabited by certified
Subject: Re: rechargeable batteries - any wisdom?
Some batteries are referred to by exact chemistry (Like NiCd), others
(most Notably NiMH) refer to a number of closely related chemistries
with similar performance.The differentiator is if the name mentions both
Anode and Cathode materials (IE Nickel
...@gate.net
-Original Message-
From: pdml-boun...@pdml.net [mailto:pdml-boun...@pdml.net] On Behalf Of
Bruce Walker
Sent: Monday, December 22, 2008 7:31 PM
To: Pentax-Discuss Mail List
Subject: Re: rechargeable batteries - any wisdom?
Dario Bonazza wrote:
Hybrios are far more diffused
JC OConnell wrote:
is the out of the package 80% charge that important
in the real world or is it a marketing scheme.
It's a side-effect of the very low self-discharge characteristic, and is
not at all important to me.
I agree that the charged when new thing is a marketing scheme, but
, 2008 8:07 PM
To: Pentax-Discuss Mail List
Subject: Re: rechargeable batteries - any wisdom?
JC OConnell wrote:
is the out of the package 80% charge that important
in the real world or is it a marketing scheme.
It's a side-effect of the very low self-discharge characteristic
2008/12/23 JC OConnell hifis...@gate.net:
Do you really charge your batteries and not use them
for over a month or go 6-9 months before using them?
I could easily go a month without using my NiMH.
I just replaced my aging collection of standard NiMH's with Eneloops.
Straight out of the packet
O'Connell
hifis...@gate.net
-Original Message-
From: pdml-boun...@pdml.net [mailto:pdml-boun...@pdml.net] On Behalf Of
Bruce Walker
Sent: Monday, December 22, 2008 8:07 PM
To: Pentax-Discuss Mail List
Subject: Re: rechargeable batteries - any wisdom?
JC OConnell wrote:
is the out
-Original Message-
From: pdml-boun...@pdml.net [mailto:pdml-boun...@pdml.net] On Behalf Of
David Savage
Sent: Monday, December 22, 2008 8:48 PM
To: Pentax-Discuss Mail List
Subject: Re: rechargeable batteries - any wisdom?
2008/12/23 JC OConnell hifis...@gate.net:
Do you really charge your
JC OConnell wrote:
Do you really charge your batteries and not use them
for over a month or go 6-9 months before using them?
My uses are mixed. The PS often sits idle for a month or two before
suddenly getting called into action. The Pentax gear usually only parks
for a week or two (I'm
On Dec 22, 2008, at 19:07, Bruce Walker wrote:
With the low self-discharge I can charge the Eneloops, pop them into
the camera and then forget about them until the low-batt indicator
appears. I stuff everything into my kit-bag until I need it -- even
if several weeks go by before I
On Dec 22, 2008, at 19:31, JC OConnell wrote:
DID YOU READ MY EARLIER POST?
WE ALL DID. CAN YOU HEAR ME NOW??
-Charles
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Minneapolis, MN
http://charles.robinsontwins.org
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On Dec 22, 2008, at 19:56, JC OConnell wrote:
I suggest you go look at the self discharge curve showing capacity
remaining vs time.
I suggest you TRY IT rather than quoting statistics and charts.
Unlike you, others are quoting real-life experience. Can you?
-Charles
--
Charles Robinson
...@gate.net
-Original Message-
From: pdml-boun...@pdml.net [mailto:pdml-boun...@pdml.net] On Behalf Of
Charles Robinson
Sent: Monday, December 22, 2008 9:23 PM
To: Pentax-Discuss Mail List
Subject: Re: rechargeable batteries - any wisdom?
On Dec 22, 2008, at 19:07, Bruce Walker wrote
Of
Charles Robinson
Sent: Monday, December 22, 2008 9:24 PM
To: Pentax-Discuss Mail List
Subject: Re: rechargeable batteries - any wisdom?
On Dec 22, 2008, at 19:56, JC OConnell wrote:
I suggest you go look at the self discharge curve showing capacity
remaining vs time.
I suggest you TRY IT rather
for some
god awful reason.
JC O'Connell
hifis...@gate.net
-Original Message-
From: pdml-boun...@pdml.net [mailto:pdml-boun...@pdml.net] On Behalf Of
JC OConnell
Sent: Monday, December 22, 2008 9:49 PM
To: 'Pentax-Discuss Mail List'
Subject: RE: rechargeable batteries - any wisdom
project ever. A six
year old could build one.
JC O'Connell
hifis...@gate.net
-Original Message-
From: pdml-boun...@pdml.net [mailto:pdml-boun...@pdml.net] On Behalf Of
Bruce Walker
Sent: Monday, December 22, 2008 9:19 PM
To: Pentax-Discuss Mail List
Subject: Re: rechargeable batteries
Sent: Monday, December 22, 2008 10:04 PM
To: 'Pentax-Discuss Mail List'
Subject: RE: rechargeable batteries - any wisdom?
As a public service I can post a schematic of a 8 cell AA
NIMH trickle charger you can build in about 30 minutes for under $10.
All you need is a wall wart power pack
On Dec 22, 2008, at 19:01 , JC OConnell wrote:
its only
about 10% difference. It real terms thats not much
Tell that to the moon astronauts. Or an architect. A chemist.
To you, not much. To others, maybe more.
Beat the drum - elsewhere.
Joseph McAllister
Pentaxian
gallery.me.com/jomac
...@gate.net
-Original Message-
From: pdml-boun...@pdml.net [mailto:pdml-boun...@pdml.net] On Behalf Of
Joseph McAllister
Sent: Monday, December 22, 2008 10:22 PM
To: Pentax-Discuss Mail List
Subject: Re: rechargeable batteries - any wisdom?
On Dec 22, 2008, at 19:01 , JC OConnell wrote
hifis...@gate.net
-Original Message-
From: pdml-boun...@pdml.net [mailto:pdml-boun...@pdml.net] On Behalf Of
Joseph McAllister
Sent: Monday, December 22, 2008 10:22 PM
To: Pentax-Discuss Mail List
Subject: Re: rechargeable batteries - any wisdom?
On Dec 22, 2008, at 19:01 , JC OConnell
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