A male plug and a female receptacle of a charger extension cable for electric vehicles is configured to be connected between a home electric circuit and a charging gun of a respective one electric vehicle, and the male plug and the female receptacle of the charger extension cable contains: a body of the charger extension cable. The body of the charger extension cable includes a first extension cord connected with a first male plug, and the first male plug is electrically connected with the home electric circuit having an incoming terminal electrically connected with a current output end of a main power switch of the home electric circuit in a power outgoing direction. The incoming terminal has a first female receptacle connected, and the first female receptacle is electrically connected with the first male plug of the first extension cord.

An unmanned aerial vehicle (UAV) base station includes a housing and a UAV fixation system. The housing includes a top-plate configured for a UAV to land on the top-plate. The UAV fixation system is configured to direct the UAV present on the top-plate to a battery-exchange zone of the top-plate.

The present disclosure is directed to a cordless power tool vibration isolation system. A solution to negative impacts of vibration on a removable battery pack caused by operation of a cordless power tool. Isolating the battery pack from the power tool reduces wear and tear on the battery pack including the pack housing, the pack terminals and internal pack components. A battery pack interface of the power tool including a discrete interface housing that mates with the battery pack and a vibration isolation element that separates and isolates the combination of the discrete interface housing and the battery pack from the power tool and the power tool's associated motor induced vibrations.

A battery system including a removable battery pack, including a plurality of battery cells and an interface for electrically and mechanically coupling to a load bearing device; a vehicle, including a power station for providing power to drive the vehicle, the power station including a port for accepting the removable battery pack; and a power tool including a port for accepting the removable battery pack.

A smart ring charging system comprises a charging source integrated into an object, the object configured to be held by a user wearing a smart ring. The smart ring may include a ring-shaped housing and a power source disposed within or at the ring-shaped housing and configured to receive energy from the charging source while the user is wearing the smart ring and holding the object. A controller may be disposed within or at the ring-shaped housing, or at the object with the charger and configured to estimate a charging rate at which the power source receives the energy from the charging source. The system may further include one or more indicators configured to indicate the charging rate.

The invention discloses a smart glove, which relates to a smart glove that can be used indoors and outdoors. It includes a glove body. The glove body includes a wrist, a palm, and a finger. On the back of the wrist, there are a switch button, a charging interface, and a control. The control box contains a rechargeable lithium battery and a controller, and the charging interface is electrically connected to the lithium battery in the control box; an LED display is installed on the back of the palm, and the inside of the LED display is electrically connected to the driver of the LED display; The back finger part can wrap all fingers or part of the fingers to protect the skin; on the one hand, the present invention can serve as a warning when the user is walking or riding, improving travel safety, and on the other hand. Play a role in display and publicity.

A battery powered system and a battery powered method are provided. The battery powered method includes: disposing a first power connector and a first magnet on a first connecting face of a first electronic device; and disposing a second power connector and a second magnet on a second connecting face of a first battery device, wherein the first power connector is connected to the second power connector in response to the first magnet and the second magnet being attached to each other, and the first battery device powers the first electronic device via the first power connector.

A charge control system includes a lithium battery configured to provide lithium battery power to a set of electrical loads, a user signaling device, and control circuitry coupled with the lithium battery and the user signaling device. The control circuitry is operative to: (A) detect availability of charge from an external charger, (B) in response to detection of the availability of charge from the external charger and prior to controlling the external charger to adjust the amount of charge stored by the lithium battery, perform a set of pre-charging assessment operations, and (C) based on the set of pre-charging assessment operations, provide a user notification via the user signaling device, the user notification indicating whether the lithium battery is properly setup for charge adjustment. When the user signaling device generates the user notification, the user is informed that the utility vehicle is properly connected to the external charger.

A battery stand is configured to output an electric power stored in a battery to the outside when the battery is placed on a mounting part. A slit hole is formed on the top surface of the battery stand through which a slider is inserted and through which a movement range of the slider is regulated. The battery stand is linked to the movement of the slider and is equipped with a holding mechanism to secure the battery. The battery stand is equipped with a shielding member that shields the slit hole. The shielding member is attached to the slider and moves with the slider while maintaining the slit hole shielded.

A robotic work tool system, comprising a charging station and a robotic work tool, said robotic work tool comprising two charging connectors arranged on an upper side of the robotic work tool and said charging station comprising two charging connectors and a supporting structure arranged to carry said charging connectors and to extend over and above said robotic work tool as the robotic work tool enters the charging station for establishing electrical contact between the charging connectors of the robotic work tool and the charging connectors of the charging station from above, wherein said supporting structure is arranged to allow the robotic work tool exit the charging station by driving through the charging station without reversing.