A charging method for a terminal device includes establishing a charging current mapping relationship according to a relationship between a charging information parameter and an open circuit voltage of a first electrode of a battery of the terminal device and a relationship between the charging information parameter and an impedance of the first electrode of the battery. The charging current mapping relationship comprises a mapping relationship between the charging information parameter and a maximum battery charging current. The charging method also includes obtaining the charging information parameter of the battery during a charging operation, determining a charging current according to the charging information parameter and the charging current mapping relationship, and charging the battery by using the charging current.

A method for controlling a system including at least one battery having at least one energy storage cell and a power-tool, wherein the system includes at least one acceleration sensor for detecting at least one acceleration value in an X, Y or Z direction, a device for measuring a voltage and a device for discharging the at least one energy storage cell. A system including at least one battery having at least one energy storage cell and a power-tool.

The present power adjustment device includes: a storage device that stores vehicle information including a past behavior history of the electric vehicle participating in a VPP; and a charge-discharge instruction device for instructing the electric vehicle to charge and discharge power. The charge-discharge instruction device creates a charge-discharge plan of the electric vehicle to satisfy the power adjustment request, and instructs the electric vehicle of the created charge-discharge plan. In addition, when the charge-discharge instruction device receives an additional request of power adjustment after the instruction of the charge-discharge plan, the charge-discharge instruction device creates a change charge-discharge plan to meet the additional request, based on the estimated behavior of the electric vehicle, and the charge-discharge plan creation unit presents the electric vehicle of the charge-discharge plan that is created. The change charge-discharge plan includes information on an economic merit.

The technology relates to techniques for an aquatic energy discharge system for an energy storage system of an aircraft. An aquatic energy discharge system can include an energy storage system, a pair of electrodes coupled to the energy storage system, and a water detection system configured to detect a water landing. The electrodes can be configured to submerge in a body of water after the aircraft has landed in the body of water, and cause a hydrolysis reaction that drains energy from the energy storage system in response to the water detection system detecting the water landing. A method of discharging an energy storage system of an aircraft can include detecting that an aircraft (or portion thereof) has landed in a body of water, and discharging the energy storage system by powering a hydrolysis reaction using a pair of electrodes.

A wireless charging transmitter, a method for wireless charging, and a storage medium. The method can be applied to a transmitting component for transmitting a wireless charging signal to a terminal to be charged to wirelessly charge the terminal. A detection component can be configured to detect whether there is a living body that has entered a preset range associated with the wireless charging transmitter and generate a detection signal. An adjustment component can be connected to the transmitting component and configured to adjust a first transmitting power of the transmitting component to a second transmitting power when the detection signal indicates that there is a living body that has entered the preset range, the second transmitting power is smaller than the first transmitting power.

Systems and methods are provided for controlling a power generating asset having an energy storage device. Accordingly, a controller of the power generating asset initiates a state-change event for the energy storage device. The controller determines an actual equivalent series resistance (ESR) function for the energy storage device based on a change in a first and a second electrical condition at each of a plurality of sampling intervals of the state-change event. The controller determines a state-of-health rating for the energy storage device based on the actual ESR function and implements a control action based on the state-of-health rating.

A power supply unit for an aerosol inhaler includes: a case; a power supply that discharges power to a load for generating an aerosol from an aerosol generation source; a discharging terminal that connects the load to the power supply; a charging terminal that connects the power supply to an external power supply and is separated from the discharging terminal; a temperature measuring unit that measures temperature of the power supply; and a control device that controls an effective value of a first charging current to a value smaller than an effective value of a second charging current. The first charging current is supplied to the power supply when a measurement value of the temperature measuring unit is equal to or higher than a first threshold and the second charging current is supplied to the power supply when the measurement value is lower than the first threshold.

A method of controlling charging of an electronic device includes estimating a usage time value that corresponds to an anticipated future occurrence of usage of the electronic device; and estimating a resume time value that corresponds to a time for charging to commence to allow for completion of charging from a first predetermined state of charge value to a second predetermined state of charge value by the usage time value. The method also includes charging a battery of the electronic device using electrical power supplied by a charging device until a current state of charge of the battery reaches the first predetermined state of charge value, entering, by the electronic device, a deactivated mode after the current state of charge reaches the first predetermined state of charge value, and causing the electronic device to return to the activated mode according to the resume time value.

Provided is a battery unit including: a power supply; a detector configured to detect an output voltage of the power supply; a connecting configured to be connectable with a load for atomizing an aerosol source or heating a flavor source; and a controller capable of executing a power supply mode in which electric power is supplied to the load from the power supply. The controller executes a specific control different from the supply of electric power to the load based on am amount of change in the output voltage per a predetermined time period in the power supply mode.

An electronic device includes a charging unit and a control unit. The control unit inhibits the charging unit from charging a battery in a case where audio recording using a first microphone is performed, and permits the charging unit to charge the battery in a case where audio recording using a second microphone different from the first microphone is performed.