Dividing the watt-hours of a generator by the watts of the devices you plug into it can tell you (even before you buy) how much runtime you’ll get.
Hi I have been using a 600VA UPS for the past 6 years. Never had a problem with with the original P4 based PC and then my laptop.<BR><BR>Now I have a new build. Phenom II X3 720, 4 GB RAM. The ...