Abstract: A battery pack includes a housing, a set of battery cells, and a latch assembly mechanism. The latch assembly mechanism includes a user activation button that pivots about a first axis and an engaging portion that pivots about a second axis, where the first axis is parallel to the second axis and the user activation button actuates the engaging portion. In another aspect, a battery pack includes a housing and a set of battery cells. The housing includes a top portion, a first side portion connected to the top portion, a second side portion connected to the top portion, the second side portion opposite the first side portion, and a bottom portion connected to the first side portion and the second side portion, the bottom portion opposite the top portion. An insert is molded into at least one of the first side portion and the second side portion.

Abstract: A power tool battery pack enclosure is configured to be coupled to battery pack receptacles of a plurality of power tools, each battery pack receptacle configured to removably receive a plurality of power tool battery packs. The enclosure includes a first clamshell member and a second clamshell member configured to be coupled around at least a portion of an exterior surface of each battery pack receptacle. Each of the first and second clamshell members have a top wall portion configured to be received over the exterior surface of the battery pack receptacle and a sidewall portion that extends downward from the top wall portion over at least a portion of the battery pack housing when the battery pack is received in the battery pack receptacle.

Abstract: This application relates to a cordless power tool system including a set of cordless power tools, a set of rechargeable and removable battery packs, and a set of battery pack chargers.

Abstract: A power tool system includes a power tool having a tool housing. The tool housing includes a battery pack receptacle having a set of tool terminals. A brushless motor includes an output shaft operably coupled to drive a tool element, a stator having an outer diameter of approximately 60 mm to approximately 80 mm, and a stack length of approximately 75% to approximately 125% of the outer diameter of the stator. A controller is operably connected to the set of tool terminals and to the brushless motor to control power delivery to the brushless motor. A battery pack includes a battery pack housing connectable to the battery pack receptacle on the tool housing and a set of battery cells. The set of battery cells includes at least 15 battery cells each having a nominal voltage of approximately 3.6V and an impedance of approximately ?13 m?. A set of battery pack terminals is connectable to the set of tool terminals.

Abstract: The present disclosure is directed to a battery pack comprising a housing, a plurality of battery cells, a battery cell holder holding the plurality of battery cells, a printed circuit board, a plurality of components requiring exposure, the plurality of components affixed to the printed circuit board, a plurality of adhesion holes positioned to form a boundary about the plurality of components, a low pressure molded material applied to the printed circuit board such that the plurality of components are exposed and surrounded by the low pressure molded material.

Abstract: A battery pack includes a housing, a set of battery cells, and a latch assembly mechanism. The latch assembly mechanism includes a user activation button that pivots about a first axis and an engaging portion that pivots about a second axis, where the first axis is parallel to the second axis and the user activation button actuates the engaging portion. In another aspect, a battery pack includes a housing and a set of battery cells. The housing includes a top portion, a first side portion connected to the top portion, a second side portion connected to the top portion, the second side portion opposite the first side portion, and a bottom portion connected to the first side portion and the second side portion, the bottom portion opposite the top portion. An insert is molded into at least one of the first side portion and the second side portion.

Abstract: A power tool battery pack enclosure is configured to be retrofittedly coupled to battery pack receptacles of a plurality of power tools, each battery pack receptacle configured to removably receive a plurality of power tool battery packs. The enclosure includes a first clamshell member and a second clamshell member configured to be coupled around at least a portion of an exterior surface of each battery pack receptacle. Each of the first and second clamshell members have a top wall portion configured to be received over the exterior surface of the battery pack receptacle and a sidewall portion that extends downward from the top wall portion over at least a portion of the battery pack housing when the battery pack is received in the battery pack receptacle.

Abstract: A battery pack comprises a battery pack housing operably connectable to a power tool, at least five battery cells disposed in the housing, and battery pack terminals electrically connectable to power tool terminals of the power tool and electrically connected to the battery cells. An inductance characteristic of the battery pack is greater than 0 and less than 0.20 micro Henries. A ratio of inverse impedance and inductance characteristic of the battery pack is greater than 5×107 ??1H?1.

Abstract: A battery pack power transfer adaptor and a battery pack system that includes a battery pack adaptor. The adaptor enables a battery pack to provide high level power transfers to a variety of devices and to receive high level power transfers from a variety of power sources. The adaptor includes a battery pack interface to enable the adaptor to mechanically and electrically connect to the battery pack. The adaptor is able to transfer power at a variety of levels dependent upon the device to which it is attached.

Abstract: The present disclosure is directed to a power tool system including at least a first power tool and a second power tool wherein the first power tool and the second power tool have distinct interfaces for mating with a removable, rechargeable battery pack and a first battery pack having a first interface to mate with the first power tool and a second battery pack having a second interface to mate with the second power tool. The second battery pack does not mate with the first power tool and the first battery pack does not mate with the second power tool. The system furth includes an adaptor to enable the first battery pack to operate with the second power tool.

Abstract: A battery pack comprises a battery pack housing operably connectable to a power tool, at least five battery cells disposed in the housing, and battery pack terminals electrically connectable to power tool terminals of the power tool and electrically connected to the battery cells. An inductance characteristic of the battery pack is greater than 0 and less than 0.20 micro Henries. A ratio of inverse impedance and inductance characteristic of the battery pack is greater than 5×107??1H?1.

Abstract: A battery pack including a housing, a terminal block, a printed circuit board, a plurality of pouch cells assembled and connected in a stacked configuration positioned within the housing, a sensor placed on a central portion of an outermost pouch cell of the stack of the plurality of pouch cells and a battery management unit coupled to the printed circuit board and electrically coupled to the sensor.

Abstract: A battery pack power transfer adaptor and a battery pack system that includes a battery pack adaptor. The adaptor enables a battery pack to provide high level power transfers to a variety of devices and to receive high level power transfers from a variety of power sources. The adaptor includes a battery pack interface to enable the adaptor to mechanically and electrically connect to the battery pack. The adaptor is able to transfer power at a variety of levels dependent upon the device to which it is attached.

Abstract: A battery pack includes a battery cell holder, where the battery cell holder includes multiple frames with each of the frames defining a cavity and adjacent frames connected to each other. The battery pack includes at least one pouch battery cell disposed in the cavity of each of the frames, where pouch battery cells disposed in adjacent frames are electrically connected to each other. The multiple frames are arranged in a stacked configuration.

Abstract: A method of manufacturing a battery pack including the creation of a support board for enabling conversion of the battery pack from providing a first voltage to providing a second voltage. The support board is created by injection molding about a precut set of power traces for coupling a converting element to a plurality of battery cells. The power traces couple the plurality of battery cells to a set of battery pack terminals. The support board may be mechanically coupled to a battery cell holder.

Abstract: A power tool system includes a power tool having a tool housing and a load disposed in the tool housing. The tool housing includes a battery pack receptacle having a set of tool terminals. The power tool system includes a set of battery packs. Each battery pack includes a battery pack housing operably connectable to the battery pack receptacle through a battery pack interface disposed on the battery pack housing, a set of battery cells disposed in the battery pack housing, and a set of battery pack terminals electrically connectable to the set of tool terminals and electrically connected to the set of battery cells. Each battery pack in the set of battery packs has a same nominal voltage and defines a common interface and at least a portion of the set of battery packs defines a total volume in a range of approximately 150 cm3 to 1300 cm3.

Abstract: The present disclosure is directed to a battery pack including features for addressing overheating of the battery pack and battery cells in the battery pack. The battery pack incorporates a battery cell holder that includes features for housing phase change materials to move heat away from the battery cells. The phase change material may be positioned between adjacent battery cells. The phase change material may be positioned within the cell holder.

Abstract: The present disclosure is directed to a battery pack comprising a housing, a plurality of battery cells, a battery cell holder holding the plurality of battery cells, a printed circuit board, a plurality of components requiring exposure, the plurality of components affixed to the printed circuit board, a plurality of adhesion holes positioned to form a boundary about the plurality of components, a low pressure molded material applied to the printed circuit board such that the plurality of components are exposed and surrounded by the low pressure molded material.

Abstract: A battery pack comprises a battery pack housing operably connectable to a power tool, at least five battery cells disposed in the housing, and battery pack terminals electrically connectable to power tool terminals of the power tool and electrically connected to the battery cells. An inductance characteristic of the battery pack is greater than 0 and less than 0.20 micro Henries. A ratio of inverse impedance and inductance characteristic of the battery pack is greater than 5×107 ??1H?1.