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Re: UPS recommendations?

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On Fri, 10 Jul 2015 21:18:18 +0100, Adam Funk wrote:

> 
> I guess the thing that bugs me the most about UPSs is that they all
> (AFAICT) assume you want 230 V AC, so they have an inverter.  All the
> devices I'm interested in protecting are powered by wall warts with DC
> output.  (I haven't checked that they all have the same output, but I
> suspect that all of them are 5 V DC.)  Some power & a lot of components
> & cost are wasted in running an inverter to supply a bunch of
> transformers & rectifiers.
> 
> Why hasn't anyone responded to the market for this sort of set-up?
>
They have: you'll find them on the specialist RPi vendor websites, e.g. 
ModMyPi. 

I suspect the reason you won't find what you want anywhere else is that 
UPS aren't common anyway (where do you find 240v ones outside data 
centres and places running specialist fault-tolerant kit. 

Now consider that the RPi and other small systems such as the Beagleboard 
are a tiny market compared with mains powered kit. Of these, the RPi has 
the lion's share of the market, so it follows that about the only place 
you'll find a UPS suitable for an RPi-based system is in an RPi accessory 
shop.


-- 
martin@   | Martin Gregorie
gregorie. | Essex, UK
org       |

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Thread

UPS recommendations? Adam Funk <a24061@ducksburg.com> - 2015-07-03 12:25 +0100
  Re: UPS recommendations? Gordon Henderson <gordon+usenet@drogon.net> - 2015-07-03 14:08 +0000
    Re: UPS recommendations? "Dave Liquorice" <allsortsnotthisbit@howhill.com> - 2015-07-05 17:17 +0100
      Re: UPS recommendations? Martin Gregorie <martin@address-in-sig.invalid> - 2015-07-05 17:03 +0000
        Re: UPS recommendations? "Dave Liquorice" <allsortsnotthisbit@howhill.com> - 2015-07-05 20:58 +0100
    Re: UPS recommendations? Adam Funk <a24061@ducksburg.com> - 2015-07-07 17:00 +0100
  Re: UPS recommendations? "Dave Liquorice" <allsortsnotthisbit@howhill.com> - 2015-07-05 17:40 +0100
    Re: UPS recommendations? Martin Gregorie <martin@address-in-sig.invalid> - 2015-07-05 17:19 +0000
      Re: UPS recommendations? "Dave Liquorice" <allsortsnotthisbit@howhill.com> - 2015-07-05 20:39 +0100
        Re: UPS recommendations? Folderol <general@musically.me.uk> - 2015-07-05 21:24 +0100
  Re: UPS recommendations? Adam Funk <a24061@ducksburg.com> - 2015-07-07 16:57 +0100
  Re: UPS recommendations? Adam Funk <a24061@ducksburg.com> - 2015-07-10 21:18 +0100
    Re: UPS recommendations? Martin Gregorie <martin@address-in-sig.invalid> - 2015-07-10 22:42 +0000
  Re: UPS recommendations? David Taylor <david-taylor@blueyonder.co.uk.invalid> - 2015-07-11 16:19 +0100

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