View Single Post
  #22  
Old 08-24-2009, 12:05 AM
Brian Carlton Brian Carlton is offline
Banned
 
Join Date: May 2002
Location: Blue Point, NY
Posts: 25,390
Quote:
Originally Posted by Palangi View Post
Basically, a momentary interruption of the AC waveform may not leave the UPS enough time to sense the drop, kick in the relay, and start outputting sinewave (or something close to it) before the computer's power supply stops putting out its DC voltages.
That's precisely the problem. I purchased this larger UPS for the specific purpose of being able to operate this computer in a thunderstorm. Apparently, my expectations were unrealistic.

Are there any devices that operate through a battery............the computer is powered by the battery and there is no requirement to switch to the battery?

The entire concept of "battery backup" appears to be complete BS if the computer reboots prior to the battery taking effect. What would anybody need a battery backup for...........if all their data is now lost??
Reply With Quote