Plug-and-expand battery module

Details Plug-and-expand battery module Plug-and-expand battery module

2005-05-10

2008-10-07

Lea-Edmonds, Lisa (Department: 2835)

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

Reexamination Certificate

active

07433182

ABSTRACT:
A plug-and-expand battery module includes at least one battery cell therein, which is provided with a plug member adapted to insert into a power input of a portable electronic apparatus, and a socket member adapted to receive the plug member of another battery module. The battery module is internally provided with a battery connecting circuit for connecting the battery cells to one another, and to the plug and socket members. Thus, when the plug member of the battery module is inserted into the power input of the portable electronic apparatus, power is supplied from all the battery modules connected via the plug and the socket members thereof. The battery module is also internally provided with a battery protection to prevent discharge of a battery module having a higher voltage to another battery module having a lower voltage when several battery modules are parallelly connected to supply power.

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