Abstract: An electronic device includes a battery module, a battery connector and a controller is provided. The battery connector includes a first connector and a second connector. The first connector is installed on the battery module and includes a first metal component and an enable pin. The first metal component is disposed on a housing of the first connector and is coupled to the enable pin. The second connector includes a second metal component, a detection pin and a ground pin. The second metal component is disposed on a housing of the second connector. The detection pin is coupled to the second metal component. The ground pin is coupled to a ground potential and its position corresponds to the position of the enable pin. The controller determines a connection status of the first connector and the second connector according to an external signal on the detection pin.

Abstract: The disclosure provides a power management method. The power management method is applicable to an electronic device. The electronic device is electrically coupled to an adapter, and includes a system and a battery. The adapter has a feed power. The battery has a discharge power. The power management method of the disclosure includes: reading a power value of the battery; determining a state of the system; and discharging power to the system, when the system is in a power-on state and the power value is greater than a charging stopping value, by using the battery, and controlling, according to the discharge power and the feed power, the adapter to selectively supply power to the system. The disclosure further provides an electronic device using the power management method.

Abstract: The disclosure provides a power management method. The power management method is applicable to an electronic device. The electronic device is electrically coupled to an adapter, and includes a system and a battery. The adapter has a feed power. The battery has a discharge power. The power management method of the disclosure includes: reading a power value of the battery; determining a state of the system; and discharging power to the system, when the system is in a power-on state and the power value is greater than a charging stopping value, by using the battery, and controlling, according to the discharge power and the feed power, the adapter to selectively supply power to the system. The disclosure further provides an electronic device using the power management method.

Abstract: A portable computing device including a central processing unit (CPU) and a controller is provided. The controller is coupled between the CPU, a graphics processing unit, and a battery module. The controller determines whether to adjust performance of the CPU and the graphics processing unit according to at least one of a battery capacity, a battery power, a battery current, a battery voltage, or a battery temperature of the battery module.

Abstract: A portable computing device including a central processing unit (CPU) and a controller is provided. The controller is coupled between the CPU, a graphics processing unit, and a battery module. The controller determines whether to adjust performance of the CPU and the graphics processing unit according to at least one of a battery capacity, a battery power, a battery current, a battery voltage, or a battery temperature of the battery module.