Yes, prices are discussable for this items. In the 100k quantities, it
is still >15=80.
But for a Meter to last >10/15y without any power source other than
this battery, it is still a good deal.

Just think how much the owner company would spend with technicians and
battery changes.

Renewable sources not always and option in some cases.


S=E9rgio Sena









On 21 June 2012 10:18, Michael Rigby-Jones
<Michael.Rigby-Jones@oclaro.com> wrote:
>
>
> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf =
Of A. Sergio Sena
> Sent: 21 June 2012 09:02
> To: Microcontroller discussion list - Public.
> Subject: Re: [EE] Low impedance coin cells
>
>>Have you considered using a battery designed for long term power,
>>like the ones used in Metering?
>>There is at least one manufacturer that uses a special super-cap in
>>parallel to achieve momentaneous high peak currents and minimal
>>leakage. Search Tadiran batteries.
>>They state life times over 15ys.
>>I am not affiliated with them, just a happy user.
>>
>> S=E9rgio Sena
>
> I just had a look out of curiosity, they make a monster 800Ah battery pac=
k!
>
> http://www.tadiranbat.com/index.php/pulses-plus-lithium-cells
>
> Not a cheap item I suspect.
>
> Mike
>
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> This e-mail is intended for the person it is addressed to only. The
> information contained in it may be confidential and/or protected by
> law. If you are not the intended recipient of this message, you must
> not make any use of this information, or copy or show it to any
> person. Please contact us immediately to tell us that you have
> received this e-mail, and return the original to us. Any use,
> forwarding, printing or copying of this message is strictly prohibited.
> No part of this message can be considered a request for goods or
> services.
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>
> --
> http://www.piclist.com PIC/SX FAQ & list archive
> View/change your membership options at
> http://mailman.mit.edu/mailman/listinfo/piclist



--=20


A. S=E9rgio Sena

www.antoniosergiosena.com

--=20
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.