Method for balancing cells in a battery pack

Details Method for balancing cells in a battery pack Method for balancing cells in a battery pack

2008-10-06

2011-10-11

Tso, Edward (Department: 2858)

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With individual charging of plural batteries or cells

C320S122000

Reexamination Certificate

active

08035343

ABSTRACT:
A method is provided for charging a plurality of cells in a battery pack to a target charging value. The method includes: delivering a charging current to the plurality of cells; monitoring cell voltage of each cell in the plurality of cells to determine when at least one of the cells reaches the target charging value; and diverting the charging current around the cells having reached the target charging value and cooperatively adjusting the charging current so that a current received by the cells having reached the target charging value is substantially zero.

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