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https://drivepatents.com/patents/1396449 · 17 Dec 2025
There is provided an electric power tool including: an electric motor; a first battery; a second battery; a first controller configured to control the electric motor at a first operating voltage supplied based on a first power supply voltage supplied from ...
https://drivepatents.com/patents/1396475 · 5 Nov 2025
There is provided an electric power tool including: a second voltage supply portion configured to supply, based on a first power supply voltage supplied from a first battery, a second operating voltage for operating a second controller, and configured to s...