(19)

(11)

EP 4 824 890 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24904635.0 (22) Date of filing: 02.12.2024

(51) International Patent Classification (IPC):  H01M 50/258(2021.01) H01M 50/298(2021.01) H01M 50/289(2021.01) H01M 50/251(2021.01) (52) Cooperative Patent Classification (CPC): Y02E 60/10; H01M 50/251; H01M 2220/10; H01M 50/207; H01M 50/262; H01M 50/209; H01M 50/284; H01M 50/296; H01M 10/425; H01M 2010/4271 (86) International application number: PCT/US2024/058039 (87) International publication number: WO 2025/128346 (19.06.2025 Gazette 2025/25)

(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: 15.12.2023 US 202363610774 P (71) Applicant: Enphase Energy, Inc. Petaluma, CA 94954 (US)	(72) Inventors: STANTON, David Garrett Austin, Texas 78751 (US) LYKE, Christopher McNair Austin, Texas 78758 (US) (74) Representative: HGF  HGF Limited 4th Floor, 1 City Square Leeds LS1 2ES Leeds LS1 2ES (GB)