A sensor system for a battery module, includes: a shunt resistor including: a first current clamp and a second current clamp, each of the first and second current clamps to be connected to a current path of the battery module; a first voltage clamp and a second voltage clamp; and a measurement resistance between the first voltage clamp and the second voltage clamp, and electrically connected to the first current clamp and the second current clamp; a first landing pad electrically connected to the first voltage clamp; a second landing pad electrically connected to the second voltage clamp; a first temperature sensor connected to the first landing pad; and a second temperature sensor connected to the second landing pad.

A battery testing apparatus includes a battery cycler configured to position a battery cell in a cell pocket defined by a baseplate. The apparatus additionally includes a thermal control device configured to regulate thermal energy in the cell pocket, a baseplate thermistor for detecting baseplate temperature, and thermal control device thermistor for detecting thermal control device temperature. The apparatus also includes a printed circuit board (PCB) in electric communication with the thermal control device thermistor. An electronic microcontroller, in electric communication with the baseplate thermistor and the PCB, is configured to regulate operation of the thermal control device based on data from the baseplate thermistor and the thermal control device thermistor. A main controller, in electronic communication with the microcontroller, is programmed to establish set values for baseplate temperature and battery cell reference current or voltage and regulate electrical input to the battery cell in accordance with the reference values.

A system (e.g., a monitoring device) for monitoring a first battery (e.g., a vehicle battery) provided in a vehicle is provided with a monitoring unit for monitoring the electric state of the first battery (e.g., the vehicle battery) capable of starting a motor of the vehicle; and a power supply unit that is a second battery for supplying electric power to the monitoring unit. The monitoring unit may determine whether or not the motor is stopped, and when the motor is stopped, the monitoring unit may monitor, as the electric state of the first battery, e.g., the voltage of the first battery.

A test method of a battery cell is provided. In a placement step, a device places, in a test tray, a magazine in which a plurality of battery cells are arrayed and stored. The test tray includes a pressurization mechanism configured to press, in an array direction, the plurality of battery cells. In a pressurization step, the plurality of battery cells is pressed by the pressurization mechanism. In a transfer step, the test tray storing the magazine is transferred between a preparation area where the magazine is placed in the test tray in the placement step and a test area. In a test step, in the test area, a test concerning charge/discharge of the plurality of battery cells is performed in the test area in a state in which the plurality of battery cells are pressurized by the pressurization mechanism.

One aspect of the present invention relates to an evaluation holder, that holds a plurality of battery cells and can transfer the plurality of battery cells at once in characteristic evaluation of the plurality of battery cells, the evaluation holder comprising a bottom wall configured to align the plurality of battery cells aligned from one side to another side and place the plurality of battery cells, a peripheral wall provided around a periphery of the bottom wall to be higher than the plurality of battery cells, and a press mechanism that presses the plurality of battery cells from the one side to the other side, wherein the bottom wall and the peripheral wall form a reservoir configured to store a liquid.

A secondary battery charging and discharging system includes a tray configured to accommodate a plurality of battery cells, an insulation pad disposed in the tray, the insulation pad being disposable between the tray and an outermost battery cell among the plurality of battery cells so as to be contactable with one surface of the outermost battery cell, a charging and discharging part configured to be electrically connected to first and second electrode leads of the plurality of battery cells accommodated in the tray, and a cooler configured to cool the plurality of battery cells accommodated in the tray. A method of controlling an inner temperatures of a secondary battery charging and discharging system is also provided.

This application provides a sampling component, including a body portion and a lap portion. The body portion is configured to transmit a sample signal. The lap portion laps the body portion at one end and laps a point for sampling at the other end, to acquire the sample signal; and the lap portion is provided with a fusing structure configured to implement fusing protection on the body portion.

A battery device includes a connection unit to which an electronic apparatus is connected, a calculation unit that calculates a remaining battery level of a battery of the battery device based on a full charge capacity of a battery of the electronic apparatus, and a display unit that displays information indicating a result of calculation made by the calculation unit.

The present disclosure generally pertains to testing of secondary batteries. More specifically, the disclosure relates to a movable walk-in chamber for testing secondary cells. According to a first aspect, the present disclosure relates to a movable walk-in chamber for testing secondary cells comprising an enclosure, racking, a plurality of cycler interfaces and cabling. The enclosure form at least one thermally isolated temperature chamber. Furthermore, the enclosure comprises a walking aisle arranged between an entrance and an exit. The racking is arranged at inner walls of the enclosure along the walking aisle. Secondary cells can be inserted in the racking for testing and removed after testing. The plurality of cycler interfaces are arranged at outer walls of the enclosure. Each cycler interface comprises a power interface and one or more cell interfaces. The cabling is arranged to connect the power interfaces to at least one central power connector, whereby cyclers connected to the cycler interfaces can be powered from the movable walk-in chamber. The cabling is also arranged to connect the cell interfaces to poles of secondary cells inserted in the racking, whereby cyclers connected to the cycler interfaces are able to perform testing on cells arranged in the racking.

The present application provides an insulation detection circuit, a method and a battery management system. The circuit includes: a first voltage dividing module, where, one end of the first voltage dividing module is connected to a positive electrode of a power battery to be detected, and the other end of the first voltage dividing module is connected to a first isolation module and a second voltage dividing module respectively; the second voltage dividing module, connected to a negative electrode of the power battery to be detected; the first isolation module, connected to one end of a sampling module; the sampling module, where, the other end of the sampling module is connected to one end of a signal generating module; the signal generating module, where, the other end of the signal generating module is connected to power ground; and the processing module.