ALEXANDRIA, Va., June 18 -- United States Patent no. 12,327,831, issued on June 10, was assigned to Apple Inc. (Cupertino, Calif.).
"Method for balancing a C-Rate of battery jelly rolls of different capacities" was invented by Loren L. Roy (Los Gatos, Calif.), Qingzhi Guo (Brookfield, Wis.), Premanand Ramadass (San Mateo, Calif.), Hyungook Yoon (Cupertino, Calif.) and Jinjun Shi (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Battery packs having jelly roll battery cells of different capacities may have an imbalance in the charging and/or discharging current supplied to and provided by each jelly roll due to differences in capacity specific impedance between the battery cells of the battery ...