A wireless power receiver that receives power from a wireless power transmitter, the wireless power receiver including a communication unit configured to communicate with the wireless power transmitter; and a main controller, wherein the main controller generates a plurality of packets including a foreign object detection (FOD) status packet, wherein the communication unit transmits the FOD status packet to the wireless power transmitter, and the communication unit receives, from the wireless power transmitter, a response signal indicating whether a foreign object is present in a charging area of the wireless power transmitter, wherein the response signal is determined using a measured peak frequency of a power signal transmitted by the wireless power transmitter and a reference peak frequency included in the FOD status packet received from the wireless power receiver, and wherein the plurality of packets further include at least one of a signal strength packet, an end power transfer packet, a power control hold-off packet, a configuration packet, an identification packet for transmitting receiver identification information, an extended identification packet, a general request packet, a special request packet, a control error packet, a renegotiation packet, a 24-bit received power packet, an eight-bit received power packet, and a charging status packet.

A system for utilizing renewable energy includes a rechargeable battery adapted to store energy, a solar panel device, and an inverter device. The solar panel device includes a solar panel adapted to receive sunlight and generate energy and a battery charger coupled to the solar panel. The battery charger is adapted to receive energy from the solar panel and store energy in the rechargeable battery. The inverter device includes a power outlet and is adapted to receive energy from the rechargeable battery and produce an electric current via the power outlet.

A control device comprises: a first identification information acquiring unit configured to acquire first identification information which is identification information for identifying the power accumulation device; a second identification information acquiring unit configured to acquire second identification information which is identification information for identifying the power device; and a determining unit configured to determine, when the first identification information and the second identification information do not match, (i) to prohibit or limit power exchange between the power accumulation device and the power device, (ii) to output an identification abnormality signal indicating that the first identification information and the second identification information do not match, or (iii) not to output an identification normality signal indicating that the first identification information and the second identification information match.

A charging method and system, an electronic device, and a computer storage medium are disclosed. The system includes a first device and a second device. The first device includes a boost chip and a first battery. The second device includes a charge pump chip and a second battery. The first battery is configured to output a first voltage to the boost chip. The boost chip is configured to: receive the first voltage and output a second voltage to the second device, where the second voltage is greater than the first voltage. The charge pump chip is configured to: receive the second voltage and output a third voltage to the second battery, where the second voltage is M times the third voltage, and M is a positive number greater than 1. The second battery is configured to: receive the third voltage and perform charging.

The present invention discloses methods and systems for scheduling and distributing power for electric vehicle chargers, through enabling and disabling a plurality of relays at a system. One of the criteria to allow an authenticated user to use an electric vehicle charger is whether there is enough electricity capacity. When the user is allowed to use a scheduled electric vehicle charger, its location is then sent to the user. Alert messages can be generated if charging does not begin within a first time limit and the cancellation of a reservation will take place if the second time limit is reached.

A charging control method, and an electronic device and/or a storage medium implementing the charging control method, includes: determining a current state parameter of a battery, wherein the battery is charged with a first charging parameter corresponding to a first charging stage defined in a staged charging strategy; determining an expected state parameter of the battery after continuing to be charged for a preset time period based on the current state parameter and the first charging parameter; and charging the battery with a second charging parameter corresponding to a second charging stage defined in the staged charging strategy, when the expected state parameter matches the second charging stage.

A smart battery includes a battery and a measurement module coupled to measure electrical characteristics of the battery. The smart battery also includes processing logic and a communication interface configured to receive the electrical characteristics and transmit the electrical characteristics to a receiver.

A controller of a contactless charging device performs a process including: acquiring vehicle information when a vehicle is present above a power transmitting device; permitting charging when it is determined that the vehicle is an electrically powered vehicle used as a taxi; starting charging; prohibiting charging when it is determined that the vehicle is not an electrically powered vehicle used as a taxi; and performing a notification process.

A method for determining a charging device that is being physically engaged with a vehicle in interest includes, after the charging device is physically engaged with the vehicle in interest, at least one primary candidate charging device is selected based on a current geographic location of the vehicle in interest and, from the at least one primary candidate charging device, a secondary candidate charging device that is possibly being engaged with the vehicle in interest is selected type by type according to screening conditions that vary with the type of the charging device, where the type of the charging device is determined based on an ability of the charging device in expressing that the charging device is in a status of being physically engaged but not activated to charge.

The present specification (present disclosure) provides a method for receiving wireless power, performed by a wireless power receiver supporting a magnetic power profile (MPP), in a wireless power transmission system, and a device using same, the method comprising: transmitting a first identification (ID) packet to a wireless power transmitter on a first operating frequency, wherein the first ID packet includes information indicating the presence or absence of a first extended ID (XID) packet; transmitting the first XID packet to the wireless power transmitter on the first operating frequency, wherein the first XID packet includes information indicating that the first XID packet is a packet related to the MPP; and after transmission of the first XID packet, detecting whether the wireless power transmitter is operating on the first operating frequency or operating on a second operating frequency.