A power supply mode setting method is provided, with said method including: in a detection time period, controlling the power regulating circuit (100, 34) in a power transmission state, and detecting a charge current to obtain a detected value; determining...

A mother board adapted to rapidly charge a handheld multimedia device including a controller, a rapid charging initiation unit, a connection port coupled to the handheld multimedia device, and a switching unit. The rapid charging initiation unit provides a...

A rapid charging apparatus including a first connection unit, a second connection unit, and a rapid charging power transformation unit is provided. The first connection unit is coupled to a connector with a power. The rapid charging power transformation un...

An electronic assembly (100) with two battery units (200,300) includes a system module (11) provided with a preset threshold value and a parallel circuit. The parallel circuit is coupled electrically to the system module, and includes first (121) and secon...

A power conversion device for portable computer, which having a housing and a power converter circuit and a charging circuit contained therein is disclosed. The power converting circuit can convert the AC external power to DC power suitable for operating t...