Systems and methods for calibrating a conducted electrical weapon (“CEW”) to provide a predetermined amount of current for each pulse of the stimulus signal. Providing the predetermined amount of current, close thereto, increases the effectiveness of the stimulus signal in impeding locomotion of a human or animal target. The calibration process enables a CEW to calibrate the amount of charge in a pulse of the stimulus signal in the environmental conditions where the tester operates and also in the field where the environmental conditions may be different from the environmental conditions during calibration.

Systems and methods for calibrating a conducted electrical weapon (“CEW”) to provide a predetermined amount of current for each pulse of the stimulus signal. Providing the predetermined amount of current, close thereto, increases the effectiveness of the stimulus signal in impeding locomotion of a human or animal target. The calibration process enables a CEW to calibrate the amount of charge in a pulse of the stimulus signal in the environmental conditions where the tester operates and also in the field where the environmental conditions may be different from the environmental conditions during calibration.

For testing the connections (13) of batteries (8) that are connected in a battery module (5) to several bus bars (6, 7) that are electrically in parallel with their battery electrodes (10, 11) by a resistance measurer (16) comprising a pair of contact pins (17, 18), during a measurement a first batten′ electrode (10) is contacted by a first contact pin (17) and a point on the conductor arrangement (13, 6, 13, 10) connected to the first battery electrode (10) is contacted by the second contact pin.

Systems and methods for testing a component, such as a battery, of a host device include transmitting one or more input acoustic signals into at least a portion of the host device, through input transducers coupled to the host device. One or more response signals generated in response to the one or more input acoustic signals are detected through recording transducers coupled to the host device. The one or more response signals are stored and compared with reference signals or datasets. One or more physical characteristics of the component or battery are analyzed based on the comparison.

Systems and methods for testing a component, such as a battery, of a host device include transmitting one or more input acoustic signals into at least a portion of the host device, through input transducers coupled to the host device. One or more response signals generated in response to the one or more input acoustic signals are detected through recording transducers coupled to the host device. The one or more response signals are stored and compared with reference signals or datasets. One or more physical characteristics of the component or battery are analyzed based on the comparison.

Embodiments of the present disclosure provide a method and apparatus for testing a condition of a battery. In one embodiment, a testing instruction for the battery is received from a controller of a device. In response to reception of the instruction, the battery is caused in a testing mode in which the battery and a power supply of the device concurrently provide power to the device, a first voltage provided by the battery being greater than a second voltage provided by the power supply. A condition of the battery is determined by monitoring an output current of the battery. Through the method and apparatus of the embodiments of the present disclosure, consumption for battery test may be reduced without a need of interrupting operations of the apparatus.

A method for estimation of state-of-health (SOH) characteristics of a battery in hybrid vehicles includes charging and discharging the battery at least one time within an upper region of a state-of-charge (SOC) window, wherein the battery; charging and discharging the battery at least one time within a lower region of the SOC window, calibrating a battery management unit included in the hybrid vehicle by using the reached levels outside the SOC window, and estimating the SOH characteristics of the battery during the charge and discharge periods by using the battery management unit.

The present invention relates to a method and an apparatus for diagnosing low voltage of a secondary battery cell. The method for diagnosing low voltage of a secondary battery cell according to an embodiment of the present invention includes pre-aging a battery cell, charging the battery cell according to a preset charging condition, measuring a parameter for determining low voltage failure of the battery cell, comparing the measured parameter with a reference parameter, and performing formation when the battery cell is determined to be normal.

A semiconductor device capable of detecting a micro-short circuit of a secondary battery is provided. The semiconductor device includes a first source follower, a second source follower, a transistor, a capacitor, and a comparator. A negative electrode potential and a positive electrode potential of the secondary battery are supplied to the semiconductor device, a first potential is input to the first source follower, and a second potential is input to the second source follower. A signal for controlling the conduction state of the transistor is input to a gate of the transistor, and an output potential of the first source follower related to the potential between the positive electrode and the negative electrode of the secondary battery is sampled. The comparator compares the sampled potential with an output potential of the second source follower, whereby the semiconductor device can deal with a secondary battery in which the potential between the positive electrode and the negative electrode is changed by charge and discharge.

A development support apparatus includes: an estimation unit that estimates behavior of an energy storage device by using an equivalent circuit model reflecting a state of charge (SOC)-operating voltage characteristic in a high change-amount region where an amount of change in an operating voltage with respect to an amount of change in the SOC is relatively higher than in other regions among SOC-operating voltage characteristics during constant current charge and discharge of the energy storage device; and an output unit that outputs a result of an estimation by the estimation unit.