[Dprglist] Ryobi battery packs

[Pat Caron]

Hi all, even though the weight is much greater on lead acid batteries, it's
hard to beat 55Ah for a robot that runs all day or for several days between
charges.  I would also need to get a second job to afford 55Ah in li-po
batteries!

...Pat

On Mon, Jun 7, 2021 at 4:36 PM Murray Altheim via DPRGlist <
dprglist at lists.dprg.org> wrote:

> Thanks very much Doug for the link.
>
> Well, it's curious to note that just in the time I've owned my Makita
> power tools the maximum size of their largest capacity 18 volt battery
> has doubled, from 3.0Ah to 6.0Ah, but the weight has only gone from
> 604g to 668g, with the overall size (at least of the outer case)
> remaining the same. So we're clearly seeing significant advances in
> battery technology just within a few years, just within the Makita
> power tool batteries.
>
> No more heavy lead acid batteries in our robots?
>
> Cheers,
>
> Murray
>
> On 8/06/21 5:40 am, jesse brockmann via DPRGlist wrote:
> > What I wonder is what the current ratings of a Ryobi pack like this
> > is? Can I draw 10c?   😀😀
> >
> > On Mon, Jun 7, 2021, 12:33 PM Doug Paradis via DPRGlist
> > <dprglist at lists.dprg.org <mailto:dprglist at lists.dprg.org>> wrote:
> >
> >     Murray and Harold,
> >                Thought you might enjoy this.
> >
> https://hackaday.com/2021/06/07/ryobi-power-packs-as-ebike-batteries/ <
> https://hackaday.com/2021/06/07/ryobi-power-packs-as-ebike-batteries/>
> >
> >     Regards,
> >     Doug P.
> >     _______________________________________________
> >     DPRGlist mailing list
> >     DPRGlist at lists.dprg.org <mailto:DPRGlist at lists.dprg.org>
> >     http://lists.dprg.org/listinfo.cgi/dprglist-dprg.org <
> http://lists.dprg.org/listinfo.cgi/dprglist-dprg.org>
>
> ...........................................................................
> Murray Altheim <murray18 at altheim dot com>                       = =  ===
> http://www.altheim.com/murray/                                     ===
> ===
>                                                                     = =
> ===
>      In the evening
>      The rice leaves in the garden
>      Rustle in the autumn wind
>      That blows through my reed hut.
>             -- Minamoto no Tsunenobu
>
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