| 摘要 |
A device for electrical power supply to an electrically powered tool has a belt adapted to be worn by a user, a plurality of batteries arranged on the belt and electrically connected with one another, an electric cable having a first end connected with the batteries, extending outwardly beyond the belt, and having a second opposite end, and an additional battery connected with said second end of said electric cable and connectable to a power tool so as to supply the power tool with electrical power from the batteries or to a battery charger for charging the batteries. |
