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(11)

EP 4 816 838 A1

(12)

(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24898637.4 (22) Date of filing: 26.11.2024

(51) International Patent Classification (IPC):  G01R 31/54(2020.01) H02H 7/22(2006.01) H02H 3/02(2006.01) H02J 7/00(2026.01) (52) Cooperative Patent Classification (CPC): G01R 31/66; B60L 3/0023; G01R 31/007 (86) International application number: PCT/US2024/057455 (87) International publication number: WO 2025/117541 (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: 28.11.2023 US 202318521926 (71) Applicant: Fisker IP/Austria Assets Trust New York, New York 10006 (US)	(72) Inventor: TIKHONOV, Victor New York, New York 10006 (US) (74) Representative: Mathisen & Macara LLP  Charta House 30-38 Church Street Staines-upon-Thames TW18 4EP Staines-upon-Thames TW18 4EP (GB)