ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,697,899, issued on Aug. 4, was assigned to POLESTAR PERFORMANCE AB (Gothenburg, Sweden).
"Balancing charge level of batteries" was invented by Anders Hockenstrom (Gothenburg, Sweden), Hans Pehrson (Torslanda, Sweden), Jongseok Moon (Vastra Frolunda, Sweden) and Erik Ragnerius (Vastra Frolunda, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a dual battery system (1) comprising a first battery (B1) and a second battery (B2), for balancing charge level of the first battery and the second battery, the dual battery system being adapted for powering propulsion of an electric vehicle (3) comprising a first electric motor...