A charger includes a housing, a fan, and a circuit board assembly. The housing is formed with an air inlet and an air outlet. The fan is disposed in the housing and used for generating a heat dissipation. A heat dissipation channel for the heat dissipation...

Provided is an adapter and a combination of a battery pack and an adapter. The combination of a battery pack and an adapter includes the battery pack. The battery pack includes a battery pack interface at least capable of being detachably connected to a po...

Provided are a power tool and a power tool system. The power tool includes a power tool body. The power tool body is configured to be adapted to at least a first battery pack having a first nominal voltage and a first output terminal set and a second batte...

A charging system includes at least one first charging device and at least one second charging device that are cascaded. The first charging device includes at least one first accommodation portion for mounting a first energy storage device and a connecting...

A charging apparatus includes: a housing formed with an accommodating space; and a circuit board assembly disposed in the accommodating space and including at least a printed circuit board provided with multiple electronic elements. The output power of the...

A self-propelled device (1), comprising: [0002] a cutting assembly (10) for cutting; [0003] a body (20) for supporting the cutting assembly; and [0004] a traveling system (30) for driving the body to move; [0005] wherein the traveling system comprises at l...

A walk-behind electric device includes a device body, a moving wheel, a moving motor, a power interface, and a control unit. The moving wheel is connected to the device body. The moving motor is configured to drive the moving wheel. The power interface is ...

A table cutting device includes: a workbench (120) on which a workpiece is capable of being placed; a cutting assembly (20) capable of performing a cutting operation on the workpiece; a drive assembly (40) including a motor (430) and driving the cutting as...

A charging device includes a first power output module, a second power output module, a first charging interface, a second charging interface, and a controller. A first switch is coupled between the first power output module and the first charging interfac...