Battery pack
DCFirst Claim
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1. A battery pack for powering a hand held power tool, the battery pack comprising:
- a housing connectable to and supportable by the hand held power tool; and
a plurality of battery cells supported by the housing, the battery cells having a combined nominal voltage of approximately 28-volts, the battery cells having a lithium-based chemistry.
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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.
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Citations
26 Claims
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1. A battery pack for powering a hand held power tool, the battery pack comprising:
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a housing connectable to and supportable by the hand held power tool; and a plurality of battery cells supported by the housing, the battery cells having a combined nominal voltage of approximately 28-volts, the battery cells having a lithium-based chemistry. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An electrical combination comprising:
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a hand held power tool; and a battery pack including a housing connectable to and supportable by the hand held power tool, and a plurality of battery cells supported by the housing, the battery cells having a combined nominal voltage of approximately 28-volts, the battery cells having a lithium-based chemistry. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A battery pack for powering a hand held power tool, the battery pack comprising:
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a housing connectable to and supportable by the hand held power tool; and a plurality of battery cells supported by the housing, the battery cells having a combined nominal voltage of at least substantially 28-volts, the battery cells having a lithium-based chemistry. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26)
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Specification