STATE OF CHARGE INDICATOR FOR A BATTERY CHARGER
First Claim
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1. A method of charging a battery pack coupled to a battery charger comprising:
- determining a voltage of a plurality of battery cells in the battery pack;
selecting a charge current from amongst two or more different charge currents based on the determined voltage of the plurality of battery cells when the determined voltage of the plurality of battery cells is below a target charge value; and
delivering the selected charge current to the plurality of battery cells.
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Abstract
A method is provided for indicating state of charge of a battery being charged by a charger. The method includes: supplying a charging current from a battery charger to a battery pack; determining voltage of battery cells residing in the battery pack; and illuminating a visual indicator on the battery charger to indicate state of charge of the battery pack, where brightness of the visual indicator correlates to the voltage of the battery cells in the battery pack.
3 Citations
7 Claims
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1. A method of charging a battery pack coupled to a battery charger comprising:
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determining a voltage of a plurality of battery cells in the battery pack; selecting a charge current from amongst two or more different charge currents based on the determined voltage of the plurality of battery cells when the determined voltage of the plurality of battery cells is below a target charge value; and delivering the selected charge current to the plurality of battery cells. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification