An all-solid-state lithium-ion secondary battery which enables a leak inspection to be swiftly and simply performed is provided. The all-solid-state lithium-ion secondary battery includes an electrode laminate in which a positive electrode, a solid electrolyte layer, and a negative electrode are alternatingly laminated and disposed, a tab gathering section extended from the electrodes, and an exterior film which clads the electrode laminate and the tab gathering section. The electrode laminate and the tab gathering section are vacuum packaged by the exterior film. For example, it is possible to perform a leak inspection of the all-solid-state lithium-ion secondary battery by a recess for inspection formed by the exterior film following along a recess formed in the surface on the electrode laminate side being present, and measuring displacement of this recess for inspection.

A battery quick-change device of a portable power station includes a power station housing and several detachable batteries; the power station housing has several battery compartments for accommodating the several detachable batteries; each of the several battery compartments is provided with a compartment opening and a first connector located in a respective battery compartment; each of the several detachable batteries is provided with a second connector capable of being inserted into the first connector; each of the several detachable batteries is assembled into a respective battery compartment through the compartment opening, and the second connector is inserted into the first connector; and the several detachable batteries when assembled into the several battery compartments are electrically connected in parallel.

The present disclosure provides a secondary battery module capable of optically transmitting measurement data on characteristics of cells forming a battery pack and further reducing a complicated procedure of wiring. The secondary battery module of the present disclosure includes: a battery pack in which a plurality of cell units are connected, each of the cell units including a cell and a light-emitting unit, the cell including a stacked unit and an electrolyte, the light-emitting unit being configured to measure characteristics of the cell and generate an optical signal according to the characteristics; and an optical waveguide into which an optical signal is introduced from the light-emitting unit of each of the cell units, wherein the number of optical waveguides is less than the number of optical signals, and the optical waveguide provides a common optical path through which optical signals are propagated from the light-emitting units provided in the battery pack.

Methods and system for alerting for a low battery state of charge for an autonomous compartments cluster interacting locally with a mobile device via a short distance wireless communication, the autonomous compartments cluster comprising: at least one compartment equipped with a door and an actuator for unlocking the door, a locker module controlling the actuator, and a battery pack powering the locker module and the at least one compartment, characterized in that the locker module comprises a voltage comparator comparing an output voltage provided at the terminal of the battery pack with a reference minimal voltage wherein the voltage comparator is configured to trigger an alert signal for replacing the battery pack when a minimum transitory voltage at the terminals of the battery pack resulting from an energizing of the actuator by a first step-up converter during an unlocking initiation of the door is lower than the reference minimal voltage, and wherein a controller is configured to change a battery status stored in a memory of the locker module from a usable battery status to a low battery status.

A faulted circuit indicator includes: a power source; a sensor system configured to measure a voltage at the power source and a temperature at the power source; a controller coupled to the sensor system. The controller is configured to determine a health status of the power source based on the measured voltage at the power source and the measured temperature at the power source. The faulted circuit indicator also includes an indicator module coupled to the controller. The indicator is configured to provide an indication of the health status of the power source.

An HMD includes first and second batteries mounted therein, and includes a plurality of power receivers that receive power from the first and second batteries by wireless transmission, a power supply manager that monitors states of the first and second batteries, a communication interface that performs wireless communication with the first and second batteries, and a plurality of limiters that limit the power received by the plurality of power receivers. A controller causes the limiters to limit power, which is supplied to a load, according to a power use state of the load in the device, and the power supply manager acquires information of remaining power storage amounts of the first and second batteries through the communication interface and displays the acquired information on a display. Therefore, since it is possible to supply power required for driving the device while wearing the HMD, the HMD can be continuously used.

A method for use in determining a condition of a battery of a mobile electronic device, comprises receiving, at a server, mobile electronic device data from a mobile electronic device, receiving, at the server, information relating to each candidate method of a plurality of candidate methods, each candidate method being configured for determining a value of a corresponding battery condition, wherein the battery condition value corresponding to each candidate method is representative of the condition of the battery of the mobile electronic device. The method further comprises determining whether any of the candidate methods are capable of determining a corresponding battery condition value based at least in part on the mobile electronic device data and the information relating to each candidate method, and, in response to determining that one or more of the candidate methods is capable of determining one or more corresponding battery condition values, performing one or more of the capable methods to thereby determine the one or more corresponding battery condition values. The method may be suitable for use in determining a condition of a battery of a mobile electronic device and, in particular though not exclusively, for use in determining a condition of a battery of a mobile electronic device which comprises or runs an Android operating system.

A battery pack includes a battery module having a battery cell, a relay configured to connect the at least one battery module to a motor of the vehicle, and a controller connected to the relay and the motor to control the relay and the motor. When a temperature of the battery cell of the battery module rises over a predetermined temperature, the controller operates the relay so that the motor idles. The battery pack is provided to a vehicle.

An apparatus and method of detecting a thermal runaway of a battery for an electric vehicle are provided. The apparatus includes a plurality of battery cells that are connected in series through a high voltage (HV) line and a battery module including the plurality of battery cells. A plurality of main sensing lines are electrically connected to the HV line between the plurality of battery cells to measure voltages of respective battery cells. A plurality of auxiliary sensing lines are respectively connected to an HV line as an input line of the battery module and to an HV line as an output line of the battery module to measure a voltage of the battery module.

Included are embodiments for remotely determining a battery characteristic. Some embodiments include searching for a first wireless signal that identifies the energy storage device and, in response to receiving the first wireless signal, determining a current charge level of the energy storage device. Some embodiments include receiving a second wireless signal from the energy storage device, determining from the second wireless signal, whether the current charge level of the energy storage device reaches a predetermined threshold, and in response to determining that the current charge level of the energy storage device reaches the predetermined threshold, facilitating replacement of the battery.