Predictive rechargeable battery management is provided, which includes obtaining performance data on a battery cell of multiple rechargeable battery cells within a product, and comparing the performance data of the battery cell to statistical data on battery cell performance of a plurality of battery cells of similar type to the battery cell, and in corresponding condition(s) to the battery cell. Further, the managing includes determining, based on the comparing, that performance of the battery cell is trending away from the statistical data of battery cell performance of the plurality of battery cells. Further, the managing includes performing a battery-related action based on the performance of the battery cell trending away from that of the plurality of battery cells of similar type and in corresponding condition(s) to the battery cell.

A distributed battery power system having a battery pack and a battery controller. The battery pack has: a plurality of cells configured to generate a plurality of cell voltages; a voltage current temperature module electrically connected to the plurality of cells; and a plurality of isolation switch sets electrically connected between the plurality of cells. The battery controller is in communication with the voltage current temperature module, and operable to: send a status request to the voltage current temperature module; receive the plurality of cell voltages from the voltage current temperature module in response to the status request; determine if the plurality of cells includes one or more problem cells in response to the plurality of cell voltages; and perform an action in response to determining that the one or more problem cells are present to prevent damage to the one or more problem cells.

An information processing apparatus includes a power processor, an interface, a detector that detects at least one of a voltage value and a current value on an electric power line which connects the power processor and the interface, and a controller. The controller notifies a swap request for swapping electric power roles with an external device to the external device via the interface in a case where a detection value of the detector indicates an abnormal value while electric power is supplied to the external device via the interface.

A vehicle includes a chassis, tractive elements coupled to the chassis, an electrical system, and a controller. The electrical system includes an electrical load, a first energy storage device coupled to the electrical load, the first energy storage device utilizing a first energy storage technology, and a second energy storage device selectively coupled to the electrical load by a switch, the second energy storage device utilizing a second energy storage technology different from the first energy storage technology. The controller is coupled to the switch and configured to command the switch to disconnect the second energy storage device from the electrical load in response to an indication of a power draw from the electrical load.

A charging control method includes: monitoring a real-time temperature of the battery during charging a battery with a first real-time charging current; reducing the first real-time charging current to a second real-time charging current at a specified current reduction rate, when the real-time temperature of the battery is greater than a first temperature threshold, the second real-time charging current being a real-time charging current corresponding to that the real-time temperature of the battery is less than the first temperature threshold; and charging the battery according to the second real-time charging current. As such, the temperature rise problem during high-current high-power fast charging can be alleviated, and excessive fluctuations due to instantaneous current adjustment can be prevented from affecting the charging rate thereby improving user experience.

The present disclosure provides a thermal runaway detection circuit and a method, which is directed to field of batteries. The circuit includes: a sensing module including a terminating resistor; a detection module including a first voltage dividing resistor set and a second voltage dividing resistor set; and a processing module connected to the detection module, wherein the processing module is configured to obtain thermal runaway detection data, and determine whether thermal runaway occurs in the battery pack based on the thermal runaway detection data. The thermal runaway detection data includes first sampled data and second sampled data. The technical solutions in the present disclosure can improve safety of the battery pack.

Even when power is to be simultaneously supplied to a plurality of power-supplied devices by using one primary coil, it is possible to properly supply power to the respective power-supplied devices. More specifically, a power-supplying device stops non-contact power supply in accordance with the detection of a plurality of power-supplied devices set in a power supply area.

A charging apparatus is provided. A detection circuit includes a voltage dividing path between an output terminal of a charging circuit and an output terminal of a reference voltage generating circuit. The detection circuit provides a detection signal according to a divided voltage on the voltage dividing path. A control circuit determines whether a load is connected to the charging apparatus according to the detection signal.

A charger or power supply is provided that effects substantially continuous charging to one or more devices and/or batteries, on a surface of the charger or power supply. The charger or power supply comprises: a plurality of coils arrayed in one or multiple layers to provide substantially continuous charging or to supply wireless power over an effective charging area of the surface of the charger or power supply, wherein the effective charging area is larger than a single coil surface area, and the coils are arrayed such that any location on the effective charging area is at a distance equal to or less than a radius or a side-to-center length of at least one coil. Ferromagnetic and/or electrically conductive layers or structures positioned within the charger or power supply shield components within the charger or power supply (or shield the nearby environment of the charger or power supply).

An electric working machine in one aspect of the present disclosure includes a motor and a controller. The motor is configured to be electrically coupled to a battery pack and to be driven with electric power from the battery pack. The controller is configured to acquire an internal resistance information of the battery pack and to change control of the motor based on the internal resistance information acquired.