(19)

(11)

EP 4 824 917 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24813448.8 (22) Date of filing: 25.11.2024

(51) International Patent Classification (IPC):  H02J 3/24(2006.01) H02J 3/32(2026.01) (52) Cooperative Patent Classification (CPC): H02J 3/32; H02J 3/00142 (86) International application number: PCT/FI2024/050633 (87) International publication number: WO 2025/125714 (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: 12.12.2023 FI 20236363 (71) Applicant: Elisa Oyj 00520 Helsinki (FI)	(72) Inventor: HOLMBACKA, Simon 00520 Helsinki (FI) (74) Representative: Papula Oy  P.O. Box 981 00101 Helsinki 00101 Helsinki (FI)