Could this cell suit your needs ?

http://www.elfa.se/elfa-bin/setpage.pl?http://www.elfa.se/elfa-bin/dyndok=
.pl?vat=3D0&dok=3D2002988.htm


Regards

Attila - SM4RAN
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-----Ursprungligt meddelande-----
Fr=E5n: Kenneth Lumia <klumia@adelphia.net>
Till: Microcontroller discussion list - Public. <piclist@mit.edu>
Datum: den 19 november 2004 04:33
=C4mne: [EE:]Rechargeable batteries at low temperatures


>Can anyone provide a few pointers on what type of rechargeable
>battery chemistry is best at low temperatures?    Specifically, I=20
>need a battery that can be effectively recharged at temperatures=20
>as low as 10F.  The project I am working on needs to be outdoors,=20
>will draw about 50mA at 3.3V and will require that the battery be=20
>recharged from a solar panel.  The battery(s) shouldn't be much=20
>larger that 2 AA's if possible. The last time I looked at this=20
>(5 years ago) there really wasn't much around, with the best=20
>bet being the good old lead acid car battery type (not gell cell). =20
>Most of the other types had trouble recharging below about=20
>50F if I remember correctly.
>
>Thanks.
>
>Ken
> =20
>klumia@adelphia.net
>
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