A method for mutual authentication between a host controller and a battery subsystem of an electronic device includes, at a battery controller, generating a battery-side authentication challenge, and transmitting the battery-side authentication challenge t...

Disclosed is a power storage device and method for discharging the same, which configures the power storage device to perform an electric power output under a discharging limit upon coupling with a load device and before any authentication is conducted. Th...

A battery charge and discharge protection method is to be implemented by a battery charge and discharge protection device (200), and controls power transfer to a load device (901) based on results of detections of whether each of two batteries (903) is cor...

A battery charge and discharge protection method is to be implemented by a battery charge and discharge protection device (200), and controls power transfer to a load device (901) based on results of detections of whether each of two batteries (903) is cor...

A method and a device for identifying the universal serial bus (USB) insertion or charger insertion of the mobile terminal are disclosed. The device comprises a USB interface module (110) which is connected with an external power supply device, an interfac...

Disclosed are a mobile terminal capable of effectively discriminating a mobile terminal charger so as to set an appropriate charge current, and a method for charging a charge current thereof. To this end, when a charger (e.g., Travel Adaptor (TA)) is inser...