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(11)

EP 4 817 154 A1

(12)

(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24828582.7 (22) Date of filing: 27.11.2024

(51) International Patent Classification (IPC):  H02J 4/00(2026.01) H02J 1/12(2026.01) H02J 3/38(2026.01) (52) Cooperative Patent Classification (CPC): H02J 4/00; H02J 3/381; H02J 1/12; H02J 2101/24 (86) International application number: PCT/US2024/057768 (87) International publication number: WO 2025/117754 (05.06.2025 Gazette 2025/23)

(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: GE KH MA MD TN (30) Priority: 27.11.2023 US 202363603107 P 29.07.2024 US 202463676667 P (71) Applicant: Nextpower LLC Fremont, California 94555 (US)	(72) Inventors: AU, Alexander W. Oakland, California 94605 (US) HENRY, Jason Sean Palo Alto, California 94303 (US) TORABI, Niloofar Redwood City, California 94063 (US) ERICKSON, Micah Fremont, California 94555 (US) (74) Representative: v. Bezold & Partner Patentanwälte - PartG mbB  Ridlerstraße 57 80339 München 80339 München (DE)