[App_rpt-users] USB Battery Bank that supports 'Pass Through Charging' and acts as a UPS for Allstar Nodes running on a Pi

Mark Phillips g7ltt at g7ltt.com
Mon Jul 10 13:12:27 EDT 2017


I use one of these to power the Pi that runs my 3D printer. It's wired in
to the printer supply. One switch does it all. they are great little
gizmo's. I bought a second one to run the Pi based hotspot in my car - when
I get around to it.

Mark

On Mon, Jul 10, 2017 at 12:13 PM, Scott Zimmerman <
n3xcc at repeater-builder.com> wrote:

> Ramesh,
>
> If it were me, I would use a 7ah 12v backup battery with a "normal" 12v
> float charger, then use a buck converter to lower the voltage down to 5v.
> Something like this would do nicely:
> http://www.ebay.com/itm/262908222815
>
> Using 12v storage makes things more "standard".
>
> Just my 2c.
>
> Scott
>
> Scott Zimmerman
> Amateur Radio Call N3XCC
> 474 Barnett Road
> Boswell, PA 15531
>
> On 7/10/2017 11:38 AM, Ramesh Dhami wrote:
>
>> Hi Folks:
>>
>> Wonder if anyone has a lead on a USB Battery Bank that supports
>> pass-through charging and does NOT interrupt the output voltage when there
>> is loss of commercial power?
>>
>> I'd like to use a battery bank on my remote node down in FL (renowned for
>> electrical storms!), so keeping the Pi up during brown-outs and loss of
>> commercial power is a big plus.
>>
>> In case folks are interested - here is a link to a good article providing
>> a review of various products:
>>
>> http://www.theoutpost.org/6-techy/raspberry-pi-usb-power-ban
>> k-ups-pass-through/
>>
>> Unfortunately, the leading contender, the product from RS Electronics
>> (brings back memories of my "jollies" as an Apprentice heading up to Alum
>> Rock in Birmingham ;) is not available in N. America.  There must be other
>> equivalents out there.....
>>
>> Anyone have a lead on such a product?
>>
>> Thanks!
>>
>> Ramesh, VA3UV
>>
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