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Battery pack

  • US 6,069,468 A
  • Filed: 07/09/1999
  • Issued: 05/30/2000
  • Est. Priority Date: 07/10/1998
  • Status: Expired due to Term
First Claim
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1. A battery pack with a secondary battery, comprising a rewritable storage device for storing specific information of the battery pack and information of operation status of the battery pack, and operation mode switching means for switching the operating status to a testing mode and a normal mode, whereby specific information and information of operation status of the battery pack stored in the rewritable storage device are turned to rewritable in the testing mode, and specific information of the battery is turned to non-rewritable in the operation mode.

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