A method for acquiring information of a battery cell (11) includes a step (S101) of acquiring information pertaining to performance recovery accompanying the suspension of charging/discharging of the battery cell (11). Control pertaining to the battery cell (11) and estimation of a state of the battery cell (11) can be appropriately performed according to a type of battery cell (11).

A battery unit for a favor inhaler includes a chargeable and dischargeable power supply, a connection part capable of electrically connecting to an external charger, and a controller configured to perform control regarding at least the power supply, wherein when an accumulated value of a connection time period to the charger exceeds a first predetermined time period, the controller determines that the power supply has been degraded.

This application discloses a charging management and control method and an electronic device. The method includes: When connecting to an external power supply, the electronic device starts to obtain data such as a time at which the external power supply is connected, a battery level, and a charger type; the electronic device obtains first duration and second duration based on the data; in the first duration, the electronic device performs fast charging on the battery; and in the second duration, the electronic device performs slow charging on the battery, or suspends charging the battery. In this way, the electronic device performs management and control on a charging process of the battery when charging the battery, to reduce a time of continuing charging the battery in a fully charged state by the electronic device.

In a management method of a secondary battery of one embodiment, a charge pattern in charge planned to be executed is set based on estimation data including an estimation result of an internal state of the secondary battery based on a measurement result of an electric current and a voltage of the secondary battery, target data including a target time for charging the secondary battery in the charge planned to be executed, and relation data indicative a relation of each of the internal state of the secondary battery and a charge condition of the secondary battery to a deterioration rate of the secondary battery. The charge pattern is set to be a charge pattern in which the deterioration rate does not exceed a threshold and the secondary battery is charged during the target time.

A power supply unit for an aerosol inhaler includes: a power supply able to discharge power to a load for generating an aerosol from an aerosol source; a connector able to be electrically connected to an external power supply; a control device configured to control at least one of charging and discharging of the power supply or configured to be able to convert power which is input from the connector into charging power for the power supply; and a zener diode provided between the connector and the control device so as to be connected in parallel with the control device. A maximum value of zener voltage of the zener diode is lower than a maximum operation guarantee voltage of the control device.

A charging management method includes, in a charging process, determining, by an electronic device, charging behavior information; determining, by the electronic device, a charging control policy based on the charging behavior information; and performing, by the electronic device, charging according to the charging control policy to avoid the electronic device from being in a float-charging state for a long time.

A battery charging control method and apparatus is disclosed. The battery charging control method includes inputting a preset magnitude of a current to a battery during a preset period of time, identifying a diffusion characteristic of a material in the battery, and determining whether to change the magnitude of the current to be input to the battery based on the identified diffusion characteristic of the material, in which the diffusion characteristic may be determined based on a distribution of the material in one or more of a cathode of the battery, an anode of the battery, and an electrolyte of the battery in response to the input of the current in the battery.

Provided is non-contact power transmission/reception technique which is easy to be used while ensuring consideration for safety. A non-contact power transmission device 100 that wirelessly transfers generated transmission power to a non-contact power reception device 200 comprises a transmission power generation unit 120 configured to perform generation of the transmission power and a control unit 117 configured to control the generation of the transmission power. The control unit 117 is further configured to control the generation of the transmission power which is performed by the transmission power generation unit 120 in accordance with a surrounding environment in which at least one of the non-contact power transmission device 100 and the non-contact power reception device 200, or at least one of states of these devices.

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.

A cable assembly includes a cable having a first end and a second end. The cable has an electric conductor and a cooling conduit, each of which extends from the first end to the second end. The cooling conduit is adapted to convey a fluid that cools the electric conductor. The cable assembly includes a leak detection module to detect a leak of the fluid from the cooling conduit. The leak detection module includes a power source to generate an input voltage signal which is applied at a first node contact with the fluid. The leak detection module includes a controller to monitor an output voltage signal at the first node and to detect a leak of the fluid from the cooling conduit based on the output voltage signal.