An information handling system includes a power management apparatus which is capable of selectively coupling to primary and secondary batteries that provide portable and backup power to the information handling system. The power management apparatus senses when the voltage at the power input of the...http://www.google.fr/patents/US6892147?utm_source=gb-gplus-shareBrevet US6892147 - Information handling system including a power management apparatus capable of independently switching between a primary and secondary battery
Information handling system including a power management apparatus capable ...