US 12,463,456 B2
Portable power supply with bidirectional charging and passthrough
David Brochtrup, Menomonee Falls, WI (US); and Logan Manderle, Milwaukee, WI (US)
Assigned to Milwaukee Electric Tool Corporation, Brookfield, WI (US)
Filed by MILWAUKEE ELECTRIC TOOL CORPORATION, Brookfield, WI (US)
Filed on Aug. 3, 2023, as Appl. No. 18/364,640.
Claims priority of provisional application 63/383,529, filed on Nov. 14, 2022.
Claims priority of provisional application 63/397,027, filed on Aug. 11, 2022.
Prior Publication US 2024/0055891 A1, Feb. 15, 2024
Int. Cl. H02J 9/06 (2006.01); H02M 1/44 (2007.01); H02M 7/537 (2006.01)
CPC H02J 9/062 (2013.01) [H02M 1/44 (2013.01); H02M 7/537 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A portable power supply comprising:
an alternating current (“AC”) power input interface;
an AC power output interface;
a battery core;
at least one switch including a first switch electrically connected between the AC power input interface and the battery core, a second switch electrically connected between the AC power input interface and the AC power output interface, and a third switch electrically connected between the battery core and the AC power output interface; and
a controller configured to control the at least one switch to selectively provide an AC power output to the AC power output interface based on power received from either the AC power input interface or the battery core.