[chbot] 18650 battery sources

[Andrew Errington]

Just curious.  Why not use a stack of quality NiMH AA cells, such as
Eneloop?  Easy to source, easy to handle, easy to charge, decent charge
density, safe.

Andrew

On 26 October 2016 at 09:31, Volker Kuhlmann <list0570 at paradise.net.nz>
wrote:

> On Wed 26 Oct 2016 12:54:36 NZDT +1300, Mark Atherton wrote:
>
> > I have also had some level of success with HobbyKing. From the
> > appearance of their cells, they may be protected through
>
> Yes, 68mm suggests so, and it's unclear whether they're flat top.
>
> > Jaycar at NZ$25 ea seems pretty steep.
>
> Agreed, especially for no-name low-info on product. Ridiculous.
>
> > Are you building a one-off-project, or a product where you need a
> > continuing supply ?
>
> One-off really, chances of repeating or extending it are low. Because
> it's not always in use paying for useful quality that can also be used
> elsewhere seems worthwhile. Paying anything for rubbish lasting 3 cycles
> is sub-optimal...
>
> I am tempted to try whether some of the trademe sellers' promises are
> true. If anyone has exprience with any trademe 18650 seller I'd like to
> hear.
>
> Thanks,
>
> Volker
>
> --
> Volker Kuhlmann
> http://volker.top.geek.nz/      Please do not CC list postings to me.
>
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