BATTERY PACK
First Claim
Patent Images
1. An electrical combination comprising:
- an electrical motor of a handheld power tool;
a trigger switch engageable by a user of the handheld power tool;
an electrical circuit; and
a plurality of battery cells, the battery cells having a lithium based chemistry and a combined voltage of at least substantially 28 volts,wherein the trigger switch is coupled to the motor such that engagement of the trigger switch enables the electrical motor to draw power through the electrical circuit from the plurality of battery cells.
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Abstract
A method for conducting an operation including a power tool battery pack. The battery pack can include a housing, a first cell supported by the housing and having a voltage, and a second cell supported by the housing and having a voltage. The battery pack also can be connectable to a power tool and be operable to supply power to operate the power tool. The method can include discharging one of the first cell and the second cell until the voltage of the one of the first cell and the second cell is substantially equal to the voltage of the other of the first cell and the second cell.
70 Citations
14 Claims
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1. An electrical combination comprising:
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an electrical motor of a handheld power tool; a trigger switch engageable by a user of the handheld power tool; an electrical circuit; and a plurality of battery cells, the battery cells having a lithium based chemistry and a combined voltage of at least substantially 28 volts, wherein the trigger switch is coupled to the motor such that engagement of the trigger switch enables the electrical motor to draw power through the electrical circuit from the plurality of battery cells. - View Dependent Claims (2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14)
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Specification