Hello David!

27 Jun 17 09:02, you wrote to me:
 DT> If the capacity is sufficient, I can confirm that this device charges
 DT> and supplies power at the same time:

 DT>    http://uk.rs-online.com/web/p/power-banks/7757517/

That would be great, if you knew who the OEM was and and there was a source in
the US... Shipping batteries is costly, and now a days an issue since they
can't fly mostly.

And that is the key, finding the ones that power and charge... sort of like
finding those Oriental HDMI splitters that some how forget to eneable the HDCP
on the outputs. :)

Even the Adafruit one which would be perfect, has a glitch:

"Also, when you start and stop charging the pack, it will flicker the output,
this can cause a 'power sensitive' device like the Pi or an iPhone to reset on
the power supply"

Its one of the reasons you can salvaget the AC UPS minus the batteroes frm
Ebay, and the get extorted on getting them locally, on averarge they run
$35/EACH for 12VDC 8AH commonly used in UPS ...unless of course you can
purhcase a bunch in bulk. Then sometimes it can work out..



Rick


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