Method and apparatus for charging a battery of an electronic dev

Details Method and apparatus for charging a battery of an electronic dev Method and apparatus for charging a battery of an electronic dev

1996-12-20

1998-03-31

Wong, Peter S.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 15, 320 5, 320 29, 320 30, H02J 700, H01M 1044

Patent

active

057342520

ABSTRACT:
An apparatus and method for disabling the internal battery charging algorithm of an electric device when connected to a smart battery charger having its own internal controller and charging algorithm. The controller of the external battery charger varies the output of the charger to provide the battery with a current source that predictably varies in voltage or represents a digital signal at a preset data rate. The internal controller of the electronic device recognizes the varying nature of the supplied direct current and disables its own internal battery charging algorithm. The charging algorithm of the external battery charger thus independently controls the charging of the electronic device internal battery.

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