| 摘要 |
An apparatus for an electric power tool includes a detection unit, a determination unit, a protection unit, a calculation unit, and a notification unit. The calculation unit calculates a time-equivalent value representing a remaining time until a load condition of a battery reaches an overload state, in which the protection unit interrupts a discharge path, based on the result of the detection by the detection unit. The notification unit notifies a user of the electric power tool of a remaining time until the protection unit interrupts the discharge path based on the time-equivalent value calculated by the calculation unit.
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