An integrated circuit includes a power supply terminal, a ground terminal, a plurality of first input terminals connected to a battery cell, a signal processing circuit having a plurality of second input terminals, and a switch unit, wherein the first input terminals and the second input terminals correspond to each other one-to-one, the switch unit electrically connects arbitrary second input terminals of the plurality of second input terminals to non-correspondence terminals, which are terminals that do not correspond to the arbitrary second input terminals, and the non-correspondence terminals are the second input terminals other than the arbitrary second input terminals, the first input terminals that do not correspond to any of the group consisting of the arbitrary second input terminals, the ground terminal, and the power supply terminal.

There is provided a test device for a secondary battery, the test device including: a test jig including a nail portion configured to pierce the secondary battery and a heater configured to raise a temperature of the nail portion by being supplied with electric power; and a moving mechanism configured to move the nail portion toward the secondary battery.

A method for monitoring battery degradation including receiving, from a pressure sensor, a first pressure value associated with a battery pack, comparing the first pressure reading to a first pressure threshold value and if the first pressure reading is greater than the first pressure threshold value, applying a first battery discharge pulse to the battery pack. The method further includes calculating a first internal resistance value of the battery pack in response to the first battery discharge pulse, comparing the first internal resistance value to an initial internal resistance value, and transmitting an alert to an electronic device if the first internal resistance value exceeds the initial internal resistance value.

An apparatus is provided for measuring the power of electrolytes at different positions of a flow battery by switching six-way valves without reconnecting channels. With the measurements at the positions, weighting is processed to obtain power corresponding to charging statuses for determining accurate power. The charging and discharging of voltage and current of the battery are controlled for constant operations with high efficiency. Consequently, the efficiency of power conversion is improved; energy consumption is reduced; and the battery is always run within a safe power-range for avoiding accidents or damages to the battery. In addition, the present invention is further applicable to a device monitoring the features of a battery unit. The six-way valves online monitor the power at center positions by switching. The values measured at different positions are aimed at the abnormality of the battery unit for processing adjustment or offline replacement to maintain best operation performance.

A method for obtaining a residual electric quantity of a battery in an electronic device includes: obtaining a present electric quantity variation of a battery within a present detection period; obtaining a maximum discharge electric quantity of the battery corresponding to a number of charging and discharging within the present detection period; and obtaining a present residual electric quantity of the battery based on the maximum discharge electric quantity and the present electric quantity variation.

Disclosed are mobile battery powered workstations, methods of operating these workstations to increase warehouse and retail efficiency (through improved order fulfillment, as a mobile shipping & receiving station, mobile inventory management, and/or as mobile powered quality analysis stations), and methods of calculating remaining battery runtime for these workstations. A mobile battery powered workstation may comprise a wheeled base having a modular battery power bay, an upper workstation having a monitor, a computer, a printer, and at least one adjustable height column coupling the wheeled base to the upper workstation. The workstation may also include a glass overlay display positioned on a top surface of the upper workstation area and configured to provide order fulfillment employees with haptic feedback on remaining battery runtime, calculated via an algorithm for increased accuracy. These workstations may be used in warehouses and retail operations for order picking and fulfillment, shipping and receiving tasks, etc.

A contact function-equipped multichannel charge/discharge power supply has: first and second charge/discharge probes respectively connected to positive and negative electrodes of secondary batteries and first and second voltage-measurement probes, respectively connected to the positive and negative electrodes of the batteries; and charge/discharge means each provided for each of the batteries and each connected to a pair of the first and second charge/discharge probes. The power supply includes: trays each having a right-angled-quadrilateral shape in plan view, in which the batteries are arranged longitudinally and laterally at predetermined intervals; and substrates each having the charge/discharge means provided along the batteries arranged in each line in one direction, wherein the substrates are each provided with the first and/or second charge/discharge probes corresponding to the batteries arranged in each line in the one direction.

A method for assembling a battery module including a unified connection array with a flexible connector is described. The flexible connector can include a plurality of pads that are secured to a central spine. The flexible connector may be a single piece connector. The flexible connector can include monitors that are mounted to the flexible connector to gather data regarding battery cells of the battery module.

A vehicle battery diagnosis method and apparatus are provided. The vehicle battery diagnosis method includes receiving battery state history data including data stored based on state of charge (SOC) ranges of a battery and SOCs of the battery. Maximum distributions of the SOCs of the battery are then determined based on the battery state history data. A state of the battery is diagnosed based on a reduction rate among the maximum distributions of the SOCs of the battery based on the battery state history data.

The present application discloses 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.