ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,741,603, issued on Sept. 22.

"Battery power management apparatus and method" was invented by Raymond Anthony Joao (Yonkers, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus, including a first circuit containing a system, first battery, and first load which does not draw current from the first battery when the system is not operating; a second circuit containing a second battery and second load which draws current from the second battery when the system is non-operational; a first switch capable of disconnecting the first battery from the first circuit; a second switch capable of connecting the first battery to the first circuit, the fir...