Abstract: A battery charging system includes a charging rack comprising multiple receptacle, multiple battery assemblies. Each of the battery assemblies includes a housing having a handle, rechargeable battery cells disposed within the housing, and a mating feature protruding away from the housing, wherein the mating feature is configured to selectively connect the battery assembly with the receptacle of the charging rack and includes multiple ports electrically connected to the battery cells and configured receive power from the charging rack to charge the battery cells, and wherein the handle comprises a release button configured to selectively disengage the battery assembly from the receptacle of the charging rack.

Abstract: A light tower includes a base having a plurality of wheels, an extendible mast coupled to the base, a battery pack positioned between the wheels and the extendible mast, a housing coupled to the base and having a main battery receiver and a supplemental battery receiver, a light assembly coupled to the extendible mast and electrically coupled to the battery pack, and an inverter configured to receive and convert a direct current power from the battery pack into an alternating current power. The main battery receiver defines an internal cavity having an open top side, and the supplemental battery receiver defines a slot arranged on an exterior of the housing.

Abstract: A battery assembly includes a housing having a handle, rechargeable battery cells disposed within the housing, and a mating feature configured to selectively connect the battery assembly with a receptacle of at least one of a power equipment and a charging station. The mating feature includes a connector having at least two electrical ports electrically connected to the battery cells, and a data port configured to provide data communication between the battery assembly and at least one of a power equipment and a charging station. The mating feature also protrudes away from a side portion of the housing.

Abstract: A service vehicle for storing and transporting outdoor power equipment includes a loading/unloading ramp, a charging bay configured to charge a rechargeable battery pack mounted on a first piece of outdoor power equipment, a spare battery charging station configured to store and selectively charge a spare rechargeable battery pack, a user interface having a display, and a controller in communication with the user interface and having a processing circuit with a charging module. The controller is configured to receive a charge level of the rechargeable battery pack and the spare rechargeable battery pack from the charging module and instruct the user interface to display the charge levels.

Abstract: An outdoor power equipment device, such as a lawn mower, includes a main chassis having first and second pivot joints, a first rocker arm having a caster wheel on a first end portion and a drive wheel on a second end portion, and a second rocker arm having a caster wheel on a first end portion and a drive wheel on a second end portion, wherein the first rocker arm and the second rocker arm are independently pivotally coupled to the respective first and second pivot joints of the main chassis at a location between the caster wheels and the drive wheels.

Abstract: One embodiment of the invention relates to a light tower. The light tower includes a base, an extendible mast coupled to the base, a light assembly coupled to the extendible mast and electrically coupled to the battery pack, and an inverter configured to receive and convert a direct current power from the battery pack into an alternating current power. The extendible mast is configured to move between a lowered position and a raised position.

Abstract: An autonomous lawn mower includes removable batteries, one or more electric motors, a cutting blade, one or more wheels, an angle sensor, and a controller. The cutting blade is driven by one of the electric motors. The wheels are driven by one of the electric motors. The controller is configured to allow the lawn mower to perform a grass cutting function at a jobsite without human interaction. The controller is configured to determine whether a roll angle is greater than a first predefined amount using data from the angle sensor. In response to determining the roll angle is greater than the first predefined amount, the controller is configured to stop operation of one of the one or more electric motors configured to provide rotational drive power to the cutting blade.

Abstract: A battery pack includes a housing defining an upper portion and a lower portion, a first protector portion coupled to a first corner of the housing, a second protector portion coupled to a second corner of the housing, a plurality of battery cells disposed within the housing, and a mating feature including a plurality of ports electrically connected to the plurality of battery cells and structured to supply power from the plurality of battery cells through the ports.

Abstract: A ride-on vehicle, such as a zero turn radius lawnmower, includes a main chassis having first and second pivot joints, a first rocker arm having a caster wheel on a first end portion and a drive wheel on a second end portion, and a second rocker arm having a caster wheel on a first end portion and a drive wheel on a second end portion, wherein the first rocker arm and the second rocker arm are independently pivotally coupled to the respective first and second pivot joints of the main chassis at a location between the caster wheels and the drive wheels. The ride-on vehicle may also include a modular mower deck assembly with a plurality of mower deck modules having a blade assembly, an electric blade motor configured to provide rotation to the blade assembly, and an attachment assembly configured to enable attachment between adjacent mower deck modules.

Abstract: A battery assembly including a battery pack having a battery pack housing, an upper modular housing portion coupled to the battery pack housing positioned at a first end of the battery pack housing, a lower modular housing portion coupled to the battery pack housing positioned at a second end of the battery pack housing, and a handle formed as part of the upper modular housing portion. The battery assembly further includes multiple battery cells disposed within the battery pack housing, a mating feature including multiple ports electrically connected to the multiple battery cells and structured to supply power from the multiple battery cells through the ports and is structured to selectively connect the battery assembly with a receptacle of at least one of a piece of power equipment and a charging station. The mating feature is located on the first modular housing portion.

Abstract: One embodiment of the invention relates to a light tower. The light tower includes a base, an extendible mast coupled to the base, a light assembly coupled to the extendible mast and electrically coupled to the battery pack, and an inverter configured to receive and convert a direct current power from the battery pack into an alternating current power. The extendible mast is configured to move between a lowered position and a raised position.

Abstract: An autonomous lawn mower includes removable batteries, one or more electric motors, a cutting blade, one or more wheels, an angle sensor, and a controller. The cutting blade is driven by one of the electric motors. The wheels are driven by one of the electric motors. The controller is configured to allow the lawn mower to perform a grass cutting function at a jobsite without human interaction. The controller is configured to determine whether a roll angle is greater than a first predefined amount using data from the angle sensor. In response to determining the roll angle is greater than the first predefined amount, the controller is configured to stop operation of one of the one or more electric motors configured to provide rotational drive power to the cutting blade.

Abstract: A system for providing autonomous lawn care services. The system includes a number of autonomous outdoor power devices, and one or more service vehicles. The one or more service vehicles are configured to selectively load and unload one or more of the autonomous outdoor power devices at a jobsite based on instructions received by a controller of the one or more service vehicles.

Abstract: A battery assembly includes a housing having a handle, rechargeable battery cells disposed within the housing, and a mating feature configured to selectively connect the battery assembly with a receptacle of at least one of a power equipment and a charging station. The mating feature includes a connector having at least two electrical ports electrically connected to the battery cells, and a data port configured to provide data communication between the battery assembly and at least one of a power equipment and a charging station. The mating feature also protrudes away from a side portion of the housing.

Abstract: A battery assembly including a battery pack having a battery pack housing, an upper modular housing portion coupled to the battery pack housing positioned at a first end of the battery pack housing, a lower modular housing portion coupled to the battery pack housing positioned at a second end of the battery pack housing, and a handle formed as part of the upper modular housing portion. The battery assembly further includes multiple battery cells disposed within the battery pack housing, a mating feature including multiple ports electrically connected to the multiple battery cells and structured to supply power from the multiple battery cells through the ports and is structured to selectively connect the battery assembly with a receptacle of at least one of a piece of power equipment and a charging station. The mating feature is located on the first modular housing portion.

Abstract: A ride-on vehicle, such as a zero turn radius lawnmower, includes a main chassis having first and second pivot joints, a in first rocker arm having a caster wheel on a first end portion and a drive wheel on a second end portion, and a second rocker arm having a caster wheel on a first end portion and a drive wheel on a second end portion, wherein the first rocker arm and the second rocker arm are independently pivotally coupled to the respective first and second pivot joints of the main chassis at a location between the caster wheels and the drive wheels. The ride-on vehicle may also include a modular mower deck assembly with a plurality of mower deck modules having a blade assembly, an electric blade motor configured to provide rotation to the blade assembly, and an attachment assembly configured to enable attachment between adjacent mower deck modules.

Abstract: One embodiment of the invention relates to a portable inverter. The portable inverter includes an electrical inverter, a closed battery receiver, an open battery receiver, and an electrical outlet. The electrical inverter is configured to convert direct current (DC) power to alternating current (AC) power. The closed battery receiver is configured to receive a battery and is electrically coupled to the electrical inverter to supply DC power from the battery to the electrical inverter. The open battery receive is configured to receive a battery and is electrically coupled to the electrical inverter to supply DC power from the battery to the electrical inverter. The electrical outlet is electrically coupled to the electrical inverter and configured to supply AC power from the electrical inverter.