(19)
(11) EP 4 824 918 A1

(12)

(43) Date of publication:
21.10.2026 Bulletin 2026/43

(21) Application number: 24904705.1

(22) Date of filing: 10.12.2024
(51) International Patent Classification (IPC): 
H02J 3/32(2026.01)
H02J 3/38(2026.01)
(52) Cooperative Patent Classification (CPC):
H02J 3/32; H02J 3/381; H02J 3/46; H02J 2101/20; H02J 2101/40
(86) International application number:
PCT/US2024/059303
(87) International publication number:
WO 2025/128514 (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 202363610824 P

(71) Applicant: Enphase Energy, Inc.
Fremont, CA 94538 (US)

(72) Inventors:
  • EHLMANN, Jonathan List
    Austin, Texas 78758 (US)
  • HUANG, Zhen Alex
    Pflugerville, Texas 78660 (US)

(74) Representative: HGF 
HGF Limited 4th Floor, 1 City Square
Leeds LS1 2ES
Leeds LS1 2ES (GB)

   


(54) METHOD AND APPARATUS FOR MAXIMIZING ENERGY STORAGE SYSTEM EFFICIENCY AND LONGEVITY