The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 22, 2026
Filed:
Jun. 11, 2021
Lg Energy Solution, Ltd., Seoul, KR;
Kihoon Kim, Daejeon, KR;
LG ENERGY SOLUTION, LTD., Seoul, KR;
Abstract
Discussed is a battery system including a battery; a first main relay connected between one electrode and a first output terminal of the battery; a pre-charge relay connected to the first main relay in parallel; a second main relay connected between another electrode and a second output terminal of the battery; and a battery management system controlling charging and discharging of the battery, and controlling the first main relay, the pre-charge relay, and the second main relay, wherein the battery management system opens the first main relay, the pre-charge relay, and the second main relay when a received power voltage is a predetermined reference voltage or less, closes the pre-charge relay and the second main relay to execute a pre-charge when the power voltage is higher than the reference voltage, and closes the first main relay after the pre-charge is completed.