A battery exchange method has: receiving, from a first battery exchange station, a first alert indicating an issue regarding a battery inventory of the first battery exchange station; receiving, from a mobile device, a second alert indicating that the second battery exchange station does not release a second battery in response to an insertion of a first battery in one of a plurality of battery slots of the second battery exchange station; and providing an authorization to acquire the second battery from the second battery exchange station to the mobile device if the first and second alerts are associated with the same battery exchange station.

A wall-mounted wireless battery charger for a wireless remote lighting controller includes: a wall plate configured to removably retain the wireless remote lighting controller; and an inductive charging transmitter circuit coupled to the wall plate, the inductive charging transmitter circuit being configured to wirelessly interface with an inductive charging receiver circuit of the wireless remote lighting controller when the wireless remote lighting controller is retained by the wall plate. The inductive charging receiver circuit is configured to wirelessly receive power from the inductive charging transmitter circuit and generate a direct current (DC) voltage to charge a battery of the wireless remote lighting controller.

A wireless charging transmission apparatus by using 3D polyhedral magnetic resonance based on multi-antenna switching includes a magnetic resonance wireless energy transmitting module, a plurality of magnetic resonance transmitting antennas, a plurality of receiving antennas, and a magnetic resonance wireless energy receiving module that are connected in sequence. The magnetic resonance wireless energy transmitting module is configured to convert DC power into RF energy and control an operation mode. The magnetic resonance transmitting antennas are configured to convert the RF energy into a spatially distributed reactive field. The receiving antennas are configured to convert the reactive field into the RF energy. The magnetic resonance wireless energy receiving module is configured to convert the RF energy into DC power and charge or power a load. When one of the transmitting antennas is used as a main transmitting antenna, the rest transmitting antennas are used as relay coupling antennas.

A system for battery management for electric aircraft batteries includes an energy storage system configured to provide energy to the electric aircraft via a power supply connection, the energy storage system including: a battery pack, a sensor configured to detect a condition parameter of the battery pack and generate a battery datum based on the condition parameter, a pack monitoring unit (PMU) configured to receive the battery datum, and a high voltage disconnect configured to terminate the power supply connection between the battery pack and the electric aircraft; a high voltage bus electrically connected to the high voltage disconnect; a primary functional display configured to display information based on battery datum; and a first controller area network (CAN) bus and a second CAN bus communicatively connected to the PMU, the high voltage bus, and the primary functional display.

A rechargeable battery comprises a casing, a power receiving module, a charge management module, a storage capacitor, a positive electrode, and a negative electrode. The power receiving module is for outputting an input power. The charge management module is disposed in the casing and electrically connected to the power receiving module to receive the input power and convert the input power to a charge power. The storage capacitor, which is a supercapacitor or a lithium-ion capacitor, is disposed in the casing and electrically connected to the charge management module, and the charge power charges the storage capacitor. The positive electrode and the negative electrode are disposed at the casing and partly exposed outside the casing. The positive electrode and the negative electrode are electrically connected to the storage capacitor to supply an output power.

Aspects of the disclosure include a power system comprising a power-supply device having an output, the power-supply device being configured to provide output power to the output of the power-supply device, and control circuitry configured to receive voltage information indicative of a voltage of a battery, determine that the voltage of the battery is above a first voltage threshold, activate a shutdown signal responsive to determining that the voltage of the battery is above the first voltage threshold, determine that the voltage of the battery is below a second voltage threshold, the second voltage threshold being less than the first voltage threshold, control the power-supply device to disable the output power to the output of the power-supply device responsive to determining that the voltage of the battery is below the second voltage threshold and that the shutdown signal is activated, and control the power-supply device to provide the output power to the output of the power-supply device responsive to determining that the voltage of the battery is below the second voltage threshold and that the shutdown signal is not activated.

Aspects of this disclosure relate to detecting and recording information associated with electrical overstress (EOS) events, such as electrostatic discharge (ESD) events. For example, in one embodiment, an apparatus includes an electrical overstress protection device, a detection circuit configured to detect an occurrence of the EOS event, and a memory configured to store information indicative of the EOS event.

A charging and discharging apparatus includes a communication module and a conversion module. The communication module is communicatively connected to a BMS and is configured to, in response to the apparatus being in a first energy transmission mode and the BMS not supporting a specific discharging protocol, perform first communication with the BMS based on a universal charging protocol. One side of the conversion module is connected to a battery and another side of the conversion module is connected to an alternating current side connecting structure. The conversion module is configured to convert direct current provided by the battery into alternating current and transmit the alternating current to the alternating current side connecting structure during the first communication. The first energy transmission mode is a mode in which the battery transmits power to the alternating current side connecting structure of the apparatus.

Certain exemplary embodiments can cause an electronic device to charge or be remotely powered via a device. The device comprises a wireless transceiver. The device is constructed to: identify an electronic device in proximity to the device; automatically add, hand off or remove the electronic device to/across/from the network; and automatically determine a charge or remote power level of the electronic device.

An electric energy management system with thermoelectric power supply conversion function includes a controller, multiple first battery modules, a second battery module and a connection switching module. Each first battery module includes a first battery and a thermoelectric unit. The multiple first battery modules and the second battery module supply power to high-voltage equipment and low-voltage equipment, respectively. Connection ends of the multiple thermoelectric units are connected to the connection switching module. When the first batteries are discharging, the controller controls the connection switching module to make the thermoelectric units connected in series between the two series connection ends for supplying electric energy to the second connection end of the second battery module. The thermoelectric unit converts the thermal energy generated by the first battery and provides it to the low-voltage device, thereby reducing the electrical energy that the second battery module outputs and improving energy utilization efficiency.