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(11)

EP 4 480 062 A1

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(43) Date of publication: 25.12.2024 Bulletin 2024/52 (21) Application number: 23756911.6 (22) Date of filing: 17.02.2023

(51) International Patent Classification (IPC):  H02J 7/00(2006.01) B60L 53/30(2019.01) B60L 53/80(2019.01) B60L 53/60(2019.01) (52) Cooperative Patent Classification (CPC): Y02T 10/70; H02J 3/32; H02J 7/0013; H02J 7/0014; H01M 2010/4271; H01M 10/425 (86) International application number: PCT/US2023/013297 (87) International publication number: WO 2023/158792 (24.08.2023 Gazette 2023/34)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 18.02.2022 US 202217675456 (71) Applicant: B2U Storage Solutions Inc. Los Angeles, CA 90064 (US)	(72) Inventors: HALL, Freeman Stoflet Santa Monica, CA 90405-2104 (US) BECKER, Edward Adolph Champaign, IL 61822 (US) STERN, Michael Joseph Westlake Village, CA 91361 (US) (74) Representative: Lind Edlund Kenamets Intellectual Property AB  Kungsportsavenyn 25 411 36 Göteborg 411 36 Göteborg (SE)