Patent ID: 9024585
Filing Date: 2015-05-05
Classification: H02J,Y02T

Abstract:
1. A battery parallel-operation circuit comprising: a first line electrically coupled to a branch point and an external load that is electrically connectable to the battery parallel-operation circuit, the first line comprising a switching element; and a second line electrically coupled to the external load and the branch point, the second line comprising a resistive element; wherein the battery parallel-operation circuit includes a plurality of the first lines and a plurality of the second lines, the plurality of first lines are electrically coupled in parallel to one another, and the plurality of second lines are electrically coupled in parallel to one another, wherein a plurality of the branch points are electrically coupled respectively to a plurality of external, connectable battery units, wherein each of multiple switching elements is electrically coupled to a corresponding one of the battery units, and is connected in series between the external load and the battery unit, and wherein each of multiple resistive elements is electrically coupled to a corresponding one of the battery units, and is connected in series between the external load and the battery unit.