ALEXANDRIA, Va., July 14 -- United States Patent no. 12,683,414, issued on July 14, was assigned to C&C Power Inc. (Carol Stream, Ill.).

"Automatic state of charge management system for lithium-ion batteries" was invented by William Fechalos (Aurora, Ill.), William Conrardy (Elmhurst, Ill.), Paul Blake (Crystal Lake, Ill.), James Leifker (Plainfield, Ill.), Omar Calderon (Woodstock, Ill.), Matt Sampalis (Chicago) and Marco Rodriguez (Bartlett, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to one or more embodiments, a system, spares cabinet, and method for maintaining a state of charge of spare batteries. The spare cabinet may include an enclosure, a plurality of batteries with given states o...