The present disclosure relates to a charging and discharging device comprising: a sensing portion obtaining a status information of a battery cell, and a controller determining whether the battery cell is abnormal using the status information, wherein the ...

A power converter is connected to an external device and a power supply, and includes a transformer circuit, connection terminal, two transformer current paths, a bypass current path, and a sensor device. The connection terminal interfaces with the externa...

A charging and discharging circuit and method, and a computing device and a storage medium. Two energy storage elements in the charging and discharging circuit are connected by means of a first adjustment switch module, after a switch is turned on, heating...

Embodiments of this application provide an anti-backflow charging circuit and an electronic device. The anti-backflow charging circuit includes: a charging circuit, an input current detection circuit, an output current detection circuit, and a control modu...

Various embodiments of devices and associated methods are described herein for authenticating electrical devices. In one aspect, an electrical device is provided comprising an interface configured to receive and transmit signals; a power line coupled to th...

The invention relates to a battery preserving device, particularly in connection with a battery pack (1) to be used with a portable apparatus (4). The battery preserving device provides an electronic function (5) to switch off all current consumption from ...

This invention provides an apparatus and method for displaying safety information about a power source to a user. When a power source is coupled to the device, and the device is turned on, safety information is presented to the user by way of a display. Th...

A battery pack BP is constructed by terminals T1, T2, and T3, a detecting circuit 1, a signal generating circuit 2, a temperature, voltage, and current detecting circuit 3, a switching circuit SW, and a secondary battery BT. An external signal generating u...