An electric tool is disclosed. The tool includes an electric motor, a battery, a monitoring device for monitoring a monitoring operation-value limit, where the monitoring operation-value limit lies above an operation-value limit of the battery, an adjustable resistor component, and an operation-value controller for setting at least one operation-value of the electric motor by a pulse width modulation (PWM) duty cycle. The PWM duty cycle is a first value that is derivable from a current setting of the adjustable resistor component or a second value that corresponds to a PWM duty cycle last used for setting the at least one operation-value plus an offset value. A lower of the first value or the second value is selected for the PWM duty cycle, if an operation-value of the battery lies above the monitoring operation-value limit.