Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 17, 2009
Patent Application Number
11267937
Date Filed
November 4, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
A battery pack for powering a cordless power tool. The battery pack includes at least one battery cell operable to supply a discharge current, a switch operable to control the discharge current and a protection device to protect the switch. The protection device is positioned such that the device absorbs a current traveling in a direction opposite to that of the discharge current supplied from the battery cell.
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