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

Stephen - K1LNX k1lnx at k1lnx.net
Mon Jul 10 13:14:14 EDT 2017


For 5v power, I've used one of these with good results:

https://powerwerx.com/usbbuddy-powerpole-usb-converter-device-charger

73
Stephen
K1LNX

On Mon, Jul 10, 2017 at 1:12 PM, Mark Phillips <g7ltt at g7ltt.com> wrote:

> 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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