Battery pack

The battery pack has a battery block 10 having a plurality of battery cells 1 housed in a battery holder 2, a first circuit board 6 attached to the battery holder 2 to carry a first protection circuit 25 that can detect battery cell 1 abnormality and cut-off current flow, a second circuit board 9 to...

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Bibliographic Details
Main Authors YAMAGAMI, SADAO, YONEDA, HARUHIKO
Format Patent
LanguageEnglish
French
German
Published 16.01.2013
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:The battery pack has a battery block 10 having a plurality of battery cells 1 housed in a battery holder 2, a first circuit board 6 attached to the battery holder 2 to carry a first protection circuit 25 that can detect battery cell 1 abnormality and cut-off current flow, a second circuit board 9 to carry a second protection circuit 26 which is capable of detecting battery cell 1 abnormality and cutting-off current flow independently from the first protection circuit 25, an outer case 4 to house the battery block 10, and an output connector 15 established on the outside the outer case 4 to deliver battery block 10 output to the outside. The second circuit board 9 is smaller than the first circuit board 6 and is disposed in a corner region inside the outer case 4 physically separated from the first circuit board 6.
Bibliography:Application Number: EP20110007973