公开(公告)号：US12184112B2

公开(公告)日：2024-12-31

申请号：US17547882

申请日：2021-12-10

Applicant: MAKITA CORPORATION

Inventor： Tomoki Hori ,  Hayato Kano

IPC: H02J7/00 ,  H01M10/42 ,  H01M10/44 ,  H01M10/46 ,  H01M10/48

Abstract: A battery pack includes an attaching portion, a battery, a voltage detection circuit, a current acquisition circuit, a next current calculation circuit, a first charging stop circuit, and a second charging stop circuit. The attaching portion is electrically and mechanically connected to the battery charger. The first charging stop circuit stops charging of the battery in response to a first condition being satisfied. The second charging stop circuit stops the charging of the battery in response to a second condition different from the first condition being satisfied.