Connection and control concepts for battery packs in a high voltage battery assembly are provided. Parallel, modular configurations permit improved safety, voltage balancing, and redundancy, improving operation and reliability of an associated high voltage electrical vehicle such as a heavy-duty truck.

Described herein is an electric vehicle charging arrangement for charging an electric vehicle. The electric vehicle charging arrangement includes: an electric vehicle charger configured for providing a direct current (DC) to the electric vehicle, a power cabinet configured for providing a DC to the electric vehicle charger, and a direct current bus arranged between the power cabinet and the electric vehicle charger and configured to transport the DC from the power cabinet to the electric vehicle charger, where a capacitive filter is installed on the DC bus and in the electric vehicle charger.

A battery cell monitoring circuit comprises an input pin; a reset command detection circuit comprising an integrator circuit coupled to the input pin; a counter circuit coupled to an output terminal of the integrator circuit; and a one-shot circuit coupled to an output terminal of the counter circuit; a logic gate coupled to an output terminal of the one-shot circuit; and a reset circuit coupled to the logic gate.

A battery device includes a battery cell and a battery protection circuit. The battery protection circuit includes a microcontroller and a power-supply switch. The microcontroller receives a start signal, a repair signal, and an external-power-indication signal from the outside of the battery device. The power-supply switch is electrically connected to the battery cell. The microcontroller correspondingly outputs an enable signal to the power-supply switch according to the start signal and the repair signal, so that the power-supply switch disconnects the electrical connection between the battery cell and the battery protection circuit. The microcontroller correspondingly outputs a disable signal to the power-supply switch according to the start signal, the repair signal, and the external-power-indication signal, so that the power-supply switch restores the electrical connection between the battery cell and the battery protection circuit.

A battery device and a battery protection method for same are provided. It is determined, according to electrical capacity of a battery, whether a battery device communicates with an electronic device, and whether the battery is being charged or discharged, whether to control the battery device to enter a shutdown mode.

A system and method for detecting moisture in a USC Type-C port having at least one probe comprised of a signal electrode and a VBUS electrode in the USB Type-C port. The at least one probe detects a voltage at the signal electrode and a judgment circuit compares detected voltage to a voltage threshold, wherein the judgment circuit outputs a low setting when the voltage detected at the signal electrode of the at least one probe is less than or equal to the threshold voltage, and the judgment circuit outputs a high setting when the voltage detected at the signal electrode is above the voltage threshold.

A charge control system includes a lithium battery configured to provide lithium battery power to a set of electrical loads, a user signaling device, and control circuitry coupled with the lithium battery and the user signaling device. The control circuitry is operative to: (A) detect availability of charge from an external charger, (B) in response to detection of the availability of charge from the external charger and prior to controlling the external charger to adjust the amount of charge stored by the lithium battery, perform a set of pre-charging assessment operations, and (C) based on the set of pre-charging assessment operations, provide a user notification via the user signaling device, the user notification indicating whether the lithium battery is properly setup for charge adjustment. When the user signaling device generates the user notification, the user is informed that the utility vehicle is properly connected to the external charger.

A vehicle charging system includes a housing having a mating end for mating with a charging component for the electric vehicle. The vehicle charging system includes a DC charging terminal held in a cavity of the housing and having a mating end for mating with the charging component. The vehicle charging system includes a charging controller for controlling vehicle charging. The vehicle charging system includes an arc sensor in the internal cavity configured to detect an arc event at the mating end of the DC charging terminal. The arc sensor is operably coupled to the charging controller to control the vehicle charging when the arc event is detected.

In part, the disclosure relates to a method of reducing the interaction of mobile phones and capacitive touchscreens with electrically charged aerosols. The method may include reducing electrostatic field from a mobile device using one or more conductive meshes sized to shield a region of a mobile device, wherein the region of the mobile device is an electric field source. Additionally, the method may also include processing signals used to charge the mobile device using one or more of a linear regulator and a signal conditioner to reduce harmonic content of the signals such that the voltage level of signals used to charge the mobile device is less than about 100 V/m RMS, or even more preferably to less than about 20 V/m RMS.

Faster charging of a battery, including: opening a first switch disposed between an input node of the battery and an input node of a load to decouple the input node of the battery from the input node of the load; and charging the battery using a first charging source coupled to the input node of the battery while the load is being powered through the input node of the load via a second charging source having a charge rate slower than the first charging source.