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Trade-in battery system

  • US 20050001591A1
  • Filed: 11/03/2003
  • Published: 01/06/2005
  • Est. Priority Date: 11/05/2002
  • Status: Active Grant
First Claim
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1. A trade-in battery system wherein used secondary batteries are purchased and sold after being charged, comprising:

  • a purchasing step for purchasing used secondary batteries;

    a pre-storage deterioration inspection step for inspecting said purchased used secondary batteries;

    a charging step for charging said inspected used secondary batteries;

    a storage step for storing said charged used secondary batteries;

    a packaging step for packaging said stored used secondary batteries; and

    a selling step for selling said packaged used secondary batteries.

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