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echo: rberrypi
to: CHARLIE GIBBS
from: FOLDEROL
date: 2017-08-26 20:23:00
subject: Re: COTS Battery Backup

On 24 Aug 2017 00:15:33 GMT
Charlie Gibbs  wrote:

> On 2017-08-23, Folderol  wrote:
>
> > First off, charge voltage is inversely proportional to temperature, and
> > one of the companies I contacted was kind enough to send me a schematic
> > of a simple compensated voltage regulator, with a thermister which had
> > to be *in* *Thermal* *contact* with the battery under charge. Of course,
> > nobody does that these days, they just rely on the ambient temperature
> > being the same - thats if they bother with temperature compensation at all.
>
> s/nobody/hardly anybody/
>
> Here's one that does:
>
> http://www.batteryminders.com
>

Well that rather proves how out of date I am :)

Looks like a nice range of kit, and I see they do support an optional external
temperature sensor, although it's for the ambient temperature in the vicinity
of
the battery not in contact with it.

--
W J G

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