A battery pack is provided that can better manage peak current of in a converged portable radio. The battery pack comprises an internal Li-Ion cell stack characterized by a linear output voltage curve. A DC-DC converter converts the internal cell stack voltage to a desired DC-DC converter output voltage. The output voltage and current sourcing capability of the battery pack remain constant over the full cell discharge curve. The battery pack optimizes cell utilization, without the use of any internal microprocessor, thereby supporting the operation of simultaneous high peak current application features associated with LMR and LTE.

A smart ring includes a curved housing having a U-shape interior storing components including: a curved battery approximately conforming to the curved housing, a semi-flexible PCB approximately conforming to the curved housing and having mounted thereon: a motion sensor for generating motion data from physical perturbations of the smart ring, a memory for storing executable instructions, a transceiver for sending data to a client computer, a temperature sensor, and a processor for receiving motion data and performing executable instructions in response thereto, and a potting material disposed in the interior, forming an interior wall of the smart ring, wherein the potting material encapsulates the components and is substantially transparent to visible light, infrared light, and / or ultraviolet light.

An electrosurgical apparatus is provided having a rechargeable power source which may be charged wirelessly. The apparatus comprises an oscillator for generating electromagnetic (EM) energy (e.g. radiofrequency energy or microwave frequency energy); a controller operable to select an energy delivery profile for the oscillator; a feed structure for conveying the electromagnetic energy to an output; a rechargeable power source arranged to supply power to the oscillator; and a receiver circuit comprising an inductive coupler configured to wirelessly receive power from a transmitter and supply received power to the rechargeable power source. The selection of an energy delivery profile may involve switching the oscillator on or off in one example, or may comprise more complex operation such as the selection of a pulse profile in some embodiments.

A charging method and system, a charging box and Bluetooth earphones are disclosed. The charging method is applied to the charging box, and comprises: acquiring a communication data packet of Bluetooth earphones according to a preset communication frequency when the charging box is charging the Bluetooth earphones, wherein the communication data packet includes a current battery voltage of the Bluetooth earphones (S10); determining a target charging voltage according to the current battery voltage (S20); and charging the Bluetooth earphones based on the target charging voltage (S30). The charging method can realize the dynamic adjustment of the charging voltage, reduce the energy loss of the charging box during the charging process, thereby increasing the number of times that the charging box can charge the Bluetooth earphones and improving the battery life of the Bluetooth earphones.

An electrically operable aerosol-generating system is provided, including a charging device including a primary power source; and an elongated aerosol-generating device including a secondary power source and having a proximal end, a distal end, and a body extending between the proximal end and the distal end, the charging device having a docking arrangement configured to engage with the elongated aerosol-generating device and to charge the secondary power source by the primary power source, in which a first coupling member disposed on the body of the elongated aerosol-generating device is configured to engage with a second coupling member disposed on a wall of the charging device.

A mobile robot charger can have one or more charger electrical contacts. A shroud can be movable between a closed position and an open position, and can be configured to cover the charger electrical contact(s) in the closed position and to expose the charger electrical contact(s) in the open position. The shroud can be configured to move from the closed position to the open position when the mobile robot engages the charger. A switch, such as a momentary switch, can be movable between an off position and an on position, and can be moved from the off position to the on position when the mobile robot engages the charger. One or more electromagnetic switches (e.g., reed switches) can have an on configuration and an off configuration, and can be turned to the on configuration by one or more magnets on the mobile robot when the mobile robot engages the charger.

A system and method for charging battery packs is provided. The system may include a charging pad comprising a power supply, a charging pad surface, and a microcontroller unit. The power supply may provide charging power. The charging pad surface may include a first charging region and a second charging region. The microcontroller unit may control delivery of charging power to the first charging region and the second charging region such that a device placed in contact with the first charging region is given a higher charging priority than a device placed in contact with the second charging region.

In one example in accordance with the present disclosure, an electronic device is described. An example electronic device includes a charging dock to charge a wireless peripheral device and a sensor to determine when the wireless peripheral device is decoupled from the charging dock. A wireless communication device of the example electronic device wirelessly communicates with the wireless peripheral device. A controller of the example electronic device, responsive to an output from the sensor indicating that the wireless peripheral device is decoupled from the charging dock, triggers the wireless communication device to pair with the wireless peripheral device.

The present disclosure relates to a charging box, comprising a box body, a box cover, a battery, a charging assembly and a circuit assembly. The box body is internally provided with a product cabin for accommodating a product; the box cover is arranged at an opening of the box body; the battery is arranged in the box body; the charging assembly comprises a magnet pendulum bob and a coil structure arranged around it, wherein a first end of the magnet pendulum bob is rotatably connected with the box body and a second end is a free end; and the circuit assembly is electrically connected with the coil structure and the battery. Therefore, by arranging the charging box in a special shape, the coil structure may cut a magnetic field of the magnet pendulum bob to generate induced current to charge the charging box so as to increase endurance.

A wireless charger adapter may include a structural member, a receive inductor coil supported by the structural member, an electrical circuit, and an output. The structural member may be placed in proximate location with a cradle of a wireless charging device inclusive of a transmit inductor coil. The receive inductor coil may inductively receive wireless power signals inductively transferred by the transmit inductor coil of the wireless charging device. The electrical circuit may convert the wireless power signals received by the receive inductor coil into electrical signals and the output may output the electrical signals from the electrical circuit to one or more external devices.