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   comp.sys.raspberry-pi      Raspberry Pi computers & related hardwar      26,127 messages   

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   Message 24,309 of 26,127   
   druck to Ahem A Rivet's Shot   
   Re: Backup power supply   
   15 Mar 24 13:43:53   
   
   From: news@druck.org.uk   
      
   On 15/03/2024 10:51, Ahem A Rivet's Shot wrote:   
   > 	Make that 5 minutes * 500W/5W or 500 minutes which is indeed a long   
   > time but a lot shorter than the 150 hours you were expecting.   
      
   If you want 150 hours, you need to be looking at a backup generator, so   
   your UPS only needs to last as long as it takes for your generator to   
   fire up.   
      
   That's usually a couple of minutes for professional diesel ones, but as   
   its home setup it might take you a few minutes to connect it up and pull   
   the starter cord on a cheap petrol one.   
      
   It might then take a few more minutes to drain the tank of the sludge   
   that used to be fuel last time you used it, and to run to the garage to   
   get some fresh petrol.   
      
   It might take a few more minutes if your spark plugs have been fouled as   
   you didn't clean it after use, and your air filter has a hundred   
   different types of bugs living it.   
      
   So make sure the UPS lasts an hour or 2.   
      
   Oh and once you've managed to get it going, and it's making a tremendous   
   racket, just remember everyone else in the neighbourhood who is without   
   power will be turning to look in your direction...   
      
   ---druck   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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