| 摘要 |
<p>A cordless power tool system includes a power tool (100) including with a motor (M) disposed in the tool housing, and a variable speed circuit for controlling the speed of the motor. A power tool battery pack (10) is electrically connectable to the power tool. The battery pack has an electric/electronic component (12) connectable to the variable speed circuit (IC1). The variable speed circuit and/or the power tool are disabled if the variable speed circuit fails to detect the electric/electronic component (12).</p> |
