OPENTECHNICAL PUBLICATION
OT-2026-000000468

Power tool including an internal auxiliary power supply

Published: 2026-09-15T19:02:55.550737Z
Permanent URL: https://opentechnical.org/p/OT-2026-000000468
Categories: Tools & Tooling > Powered Hand Tools

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ABSTRACT

A power tool including a power tool housing, an interface configured to
receive a battery pack, an internal energy storage circuit located within the
power tool housing, a trigger for user control of power tool operation, a
plurality of switches configured to connect the battery pack and the internal
energy storage circuit in series or parallel, and a controller. The controller
is configured to receive a control signal from the trigger, control the power
tool based on the control signal, control the plurality of switches to set a
power source configuration of the power tool by selectively connecting the
battery pack, the internal energy storage circuit, or both the battery pack
and the internal energy storage circuit to a load of the power tool, and
provide energy to the load of the power tool according to the power source
configuration.

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OpenTechnical publication OT-2026-000000468
Published 2026-09-15T19:02:55.550737Z
https://opentechnical.org/p/OT-2026-000000468