Invention Application
WO2006052825A3 POWER TOOLS, BATTERY CHARGERS AND BATTERIES 审中-公开
电动工具,电池充电器和电池

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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