Ups-computer system and method of powering and controlling a computer

摘要: According to the invention, a computer (24) monitors terminal voltage and/or current of battery (14) supplying power and uses this information or data determine when, in event failure AC utility (13) normally computer, initiate pre-programmed automatic shutdown computer. The determination is based upon estimated remaining charge total time required close all active programs an orderly fashion; thus allowing be restarted well-defined state.