[Abbenay] router battery pack

[Lars Sjögreen]

http://www.prophotohome.com/forum/wired-wireless-transmitting/61539-battery-powered-router.html

On Thu, Jul 22, 2010 at 9:04 PM, Leo Nordwall
<nordwall at interactingarts.org>wrote:

> Hmm, perhaps that would diminish the portability of the device. If
> possible,
> I'd like to go for something leaner. A regulator and a 9 volt battery (or
> two?) maybe could do the trick? Battery pack building is something new for
> me, so I don't really have a particular plan in mind, other than
> portability
> and standardization (easy to charge or buy cheaply).
>
> // script_kitten
>
> On Tue, Jul 20, 2010 at 9:59 PM, Lars Sjögreen <lars.sjogreen at jayway.com
> >wrote:
>
> > Using batteries (esp. rechargeables) in parallel is not a good idea
> because
> > the bad batteries tend to leech off the good ones making them bad too
> over
> > time.
> > Have you considered using a 12 volt led/acid car battery (or something
> > similar <http://www.clasohlson.se/Product/Product.aspx?id=134951217>)
> plus
> > some kind of voltage
> > regulator<
> > https://www.elfa.se/elfa3~se_sv/elfa/init.do?shop=ELFA_SE-SV#toc=19819<
> https://www.elfa.se/elfa3%7Ese_sv/elfa/init.do?shop=ELFA_SE-SV#toc=19819>
> > ;>or
> > switching
> > regulator<
> >
> https://www.elfa.se/elfa3~se_sv/elfa/init.do?shop=ELFA_SE-SV#toc=19852;https://www.elfa.se/elfa3~se_sv/elfa/init.do?shop=ELFA_SE-SV#toc=19852
> <
> https://www.elfa.se/elfa3%7Ese_sv/elfa/init.do?shop=ELFA_SE-SV#toc=19852;https://www.elfa.se/elfa3%7Ese_sv/elfa/init.do?shop=ELFA_SE-SV#toc=19852
> >
> > ;>
> > ?
> >
> > /Lars
> >
> > On Sun, Jul 11, 2010 at 11:49 AM, Leo Nordwall <
> > nordwall at interactingarts.org
> > > wrote:
> >
> > > Changing often might not be such a big problem as I'm not planning to
> use
> > > the device more than, say, one or two hours a day maximum.
> > >
> > > So, suppose I connect a series of 4 batteries (AA). Would that give me
> > 6V,
> > > right? Would adding another series of four in parallell double the
> > battery
> > > time? How long would "short" be? Hmmm...
> > >
> > > I've been searching but I suspect that the results from battery pack
> > > patches
> > > are simple in theory, yet possibly disappointing in practice. (That's
> why
> > > I'm asking these trivial things.)
> > >
> > > // script_kitten
> > >
> > > On Wed, Jul 7, 2010 at 9:20 AM, Olle Jonsson <olle.jonsson at gmail.com>
> > > wrote:
> > >
> > > > > LiPo-batteries have more power but are harder to take care of. You
> > > can't
> > > > > mishandle them (overcharging, letting them go empty etc).
> > > >
> > > > Just for reference: http://ladyada.net/make/solarlipo/ talks about
> > LiPo.
> > > >
> > > > _______________________________________________
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> > > > Abbenay at eval.nu
> > > > http://eval.nu/mailman/listinfo/abbenay_eval.nu
> > > >
> > > _______________________________________________
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> > > Abbenay at eval.nu
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> > >
> >
> >
> >
> > --
> > Lars Sjögreen
> > Jayway Stockholm
> > Drottninggatan 108
> > 113 60 Stockholm
> > 0705-979794
> > http://www.jayway.com/
> > http://www.oredev.org/
> > _______________________________________________
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> > Abbenay at eval.nu
> > http://eval.nu/mailman/listinfo/abbenay_eval.nu
> >
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>



-- 
Lars Sjögreen
Jayway Stockholm
Drottninggatan 108
113 60 Stockholm
0705-979794
http://www.jayway.com/
http://www.oredev.org/