| 摘要 |
PROBLEM TO BE SOLVED: To provide a method of simply indicating a way to set a tool or a remaining capacity of a battery cell.SOLUTION: In a power tool having a tool, a display device for displaying a state of the power tool, and a controller that regulates the display device, the display device is of a bistable type liquid crystal while the controller receives power from a power source intermittently, while performing control so that the state of the tool is checked and the display by the display device is updated. |
