BATTERY PACKS

A battery pack includes a circuit board and a battery cell group disposed within a battery case. The battery cell group includes a plurality of cylindrical battery cells staggered from each other so that the battery cell group includes at least a first battery cell stage and a second battery cell st...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	OGINO KAZUTOSHI, TAGA HIDEYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	A battery pack includes a circuit board and a battery cell group disposed within a battery case. The battery cell group includes a plurality of cylindrical battery cells staggered from each other so that the battery cell group includes at least a first battery cell stage and a second battery cell stage. The first battery cell stage is positioned on the side of the circuit board. The second battery cell stage is positioned adjacent to the first stage on the side away from the circuit board. The first battery cell stage includes a first battery cell and a second battery cell positioned at opposite ends of the first battery cell stage and a central battery cell positioned between the first and the second battery cell. The central battery cell is spaced from the circuit board by a distance, so that the central battery cell does not interfere with the circuit elements of the circuit board.