| 摘要 |
A cordless power tool system is provided which is driven by using a battery pack as a power source, and which has work performance equivalent to an AC power tool is driven by using a commercial power source as a power source. The cordless power tool system is configured to include: a battery pack in which DC voltage of battery modules is converted into AC voltage, to thereby output the AC voltage having a level which is comparable to that of the commercial power source; a cordless power tool which is driven by using the battery pack as a power source; an electrical cord adapter which allows power supply from the commercial power source to the battery pack for charging the battery pack; and an electrical cord adapter which allows power supply from the commercial power source to the cordless power tool for driving the cordless power tool.
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