Lithium-based battery pack for a high current draw, hand held power tool

  • US 7,999,510 B2
  • Filed: 01/26/2011
  • Issued: 08/16/2011
  • Est. Priority Date: 11/22/2002
  • Status: Active Grant
First Claim
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1. A battery pack for powering a hand held power tool, the battery pack comprising:

  • a housing connectable to and supportable by the hand held power tool; and

    a plurality of battery cells supported by the housing, the battery cells being capable of producing an average discharge current greater than or equal to approximately 20 amps, the battery cells having a lithium-based chemistry, the battery cells having a combined nominal voltage of at least approximately 18 volts.

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