公开(公告)号：US09893329B2

公开(公告)日：2018-02-13

申请号：US14747106

申请日：2015-06-23

Applicant: MAKITA CORPORATION

Inventor： Kazuyuki Sakakibara

IPC: H01M2/10 ,  H01M10/65 ,  H01M2/34 ,  H01M10/42 ,  H01M10/6554 ,  H01M2/20

CPC classification number: H01M2/1022 ,  H01M2/1094 ,  H01M2/204 ,  H01M2/34 ,  H01M10/4257 ,  H01M10/65 ,  H01M10/6554 ,  H01M2200/00 ,  H01M2220/30

Abstract: An electronic power supply device supplies electric power from a plurality of battery cells to an electronic power equipment and has an inner case for housing the plurality of battery cells and an outer case for housing the inner case. The electronic power supply device is designed to protect the plurality of battery cells from water damage and from an impact in the event that the electronic power supply device is accidentally dropped.

公开(公告)号：US09768625B2

公开(公告)日：2017-09-19

申请号：US14753602

申请日：2015-06-29

Applicant: MAKITA CORPORATION

Inventor： Kazuyuki Sakakibara

IPC: H02J7/00

CPC classification number: H02J7/0019 ,  H02J7/0021 ,  H02J7/0026

Abstract: A battery pack in one aspect of the present disclosure comprises: a plurality of battery blocks, a plurality of conduction/interruption units, and a control unit. The control unit selects one battery block to be electrically connected to an external device from among the plurality of battery blocks, on the basis of detection results obtained from a state detection unit, and sets the conduction/interruption unit corresponding to the selected battery block to a conducting state.