ALEXANDRIA, Va., May 19 -- United States Patent no. 12,630,046, issued on May 19.

"Method for replacing battery pack of hybrid electric vehicle" was invented by Heung Woo Lee (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a method for replacing a battery pack of a hybrid electric vehicle, characterized in that a nickel-metal hydride battery pack in which 28 cell modules with a nominal voltage of 7.2V are arranged in series and in which pack terminals N1 to N15 for voltage sensors are installed alternately in order in the cell modules, is replaced with a lithium-ion battery pack in which a plurality of cell modules with a nominal voltage of 28.8V are arrang...