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PCE
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DIFF Subgroup
H02J 7/40

characterised by the exchange of charge or discharge related data

Introduced: January 2026

Full Title

Circuit arrangements for charging or discharging batteries or for supplying loads from batteries > characterised by the exchange of charge or discharge related data

Of 6 combined children, 5 exist in both systems.

1 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2026.

Child Classifications

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  • H02J 7/42 with electronic devices having internal batteries, e.g. mobile phones since 2026 IPC+CPC Available in IPC and CPC
  • H02J 7/44 between battery management systems and power sources since 2026 IPC+CPC Available in IPC and CPC
  • H02J 7/45 between battery management systems and external servers (batteries used in smart grids for balancing of the load H02J3/32) since 2026 IPC+CPC Available in IPC and CPC
  • H02J 7/46 Leader-follower arrangements since 2026 IPC+CPC Available in IPC and CPC
  • H02J 7/47 Arrangements for checking compatibility or authentication between one component, e.g. a battery or a battery charger, and another component, e.g. a power source since 2026 IPC+CPC Available in IPC and CPC