Intelligent movable power supplies

The utility model provides an intelligent movable power supply, which comprises an intelligent battery unit, an intelligent charger and an output regulator. The intelligent battery unit is connected to the intelligent charger and the output regulator. The intelligent charger comprises a charging manager, an AC adaptor and an electric quantity indicator. The output regulator comprises a controller, an LCD, an output regulation press-button, a power output unit and a control information memory cell. The intelligent battery unit comprises a lithium battery manager, a lithium battery protector, a battery information storage unit, a charging electricity display and a battery unit interface. The intelligent movable power supply supports the bus standard (SMBUS1. 1) of the intelligent battery system management. Besides, the utility model has the advantages that the maximum output current is 4A; the output power is greater than 50W; the output voltage is 5-20V and is accurate and tunable; the capacity is colossal; the operating temperature is-20 DEG C to +40 DEG C; the protection function is various; the utility model can be widely used for movable notebook computers, portable CD/VCD/DVD players, mobile phones, digital cameras, PDA and other portable electronic appliances.