Apparatus and method for charging a battery pack
First Claim
1. An apparatus for charging a battery pack, comprising:
- a voltage sensing unit configured to sense an output voltage of the battery pack charged with a predetermined voltage;
a controller configured to determine a number of cells in the battery pack; and
a power source charge and discharge unit configured to supply a charge voltage to the battery pack, the charge voltage being determined in accordance with the number of cells in the battery pack.
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Accused Products
Abstract
A battery pack charger and a method of charging a battery pack may properly charge a battery pack regardless of the number of cells in the battery pack. The battery pack charger includes a voltage sensing unit configured to sense an output voltage of the battery pack being charged with a predetermined voltage for a predetermined period, a controller configured to determine a number of cells in the battery pack in accordance with the output voltage, and a power source charge and discharge unit configured to supply a charge voltage to the battery pack, the charge voltage being determined in accordance with the number of cells in the battery pack.
6 Citations
14 Claims
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1. An apparatus for charging a battery pack, comprising:
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a voltage sensing unit configured to sense an output voltage of the battery pack charged with a predetermined voltage; a controller configured to determine a number of cells in the battery pack; and a power source charge and discharge unit configured to supply a charge voltage to the battery pack, the charge voltage being determined in accordance with the number of cells in the battery pack. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of charging a battery pack, comprising:
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sensing an output voltage output from the battery pack after applying a predetermined voltage to the battery pack; determining a number of cells in the battery pack in accordance with the output voltage; and supplying a charge voltage to the battery pack, the charge voltage being determined in accordance with number of cells in the battery pack. - View Dependent Claims (10, 11, 12, 13, 14)
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Specification