Adapter device, system, and discharge method

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The adapter device addresses the issue of varying battery capacities by determining power limits and discharge times based on acquired battery information, ensuring efficient and safe power discharge to external devices.

JP2026142919APending Publication Date: 2026-09-08PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD

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Patent Information

Application Number: JP2025030207
Authority / Receiving Office: JP · JP
Patent Type: Applications
Current Assignee / Owner
Filing Date: 2025-02-27
Publication Date: 2026-09-08

Application Information

Patent Timeline

27 Feb 2025

Application

JP2025030207

08 Sep 2026

Publication

JP2026142919A

IPC: H02J7/00

CPC: Y02E60/10

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Application Domain

Batteries circuit arrangements Electric power

Technology Topics

Electrical battery Electric vehicle

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AI Technical Summary

Technical Problem

Existing adapter devices fail to account for varying battery discharge capacities across different electric vehicles, leading to inappropriate power discharge to external devices.

Method used

An adapter device that includes an acquisition unit to gather battery information, such as discharge capacity, and a processing unit to determine an upper power limit or discharge time based on this information, ensuring appropriate power discharge to external devices.

Benefits of technology

Enables discharge according to the battery's capacity, preventing sudden power stoppages and excessive degradation, while improving usability by providing accurate power limits and discharge times.

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Abstract

The present invention provides an adapter device that can discharge a battery according to its discharge capacity. [Solution] The adapter device 5 is an adapter device 5 that can supply power from a battery 2 that is detachable from an electric vehicle to an external device, and includes an acquisition unit that acquires battery information including the discharge capacity of the battery 2 from the battery 2, and a processing unit 54 that determines the upper limit of the power to be discharged from the battery 2 to the external device, or the discharge time to be discharged from the battery 2 to the external device, based on the battery information.

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