Miniature multifunctional automobile emergency start portable power source

The utility model discloses a miniature multifunctional automobile emergency start portable power source. The miniature multifunctional automobile emergency start portable power source is characterized by comprising a power source body, and a control board is arranged in the power source body and is connected with a lithium battery, an input port, output ports, a lighting lamp, a radar speed measuring device and a display screen. The lithium battery is connected with an automobile start power source wire. The output ports include a 5V connecting port, 12V connecting port and a 19.2V connecting port. The input port is connected with a 12V charger and a car charging cable. The miniature multifunctional automobile emergency start portable power source has the advantages that power source functions are complete, the miniature multifunctional automobile emergency start portable power source can serve as common portable power sources for charging digital products of mobile phones, laptops and the like and monitoring flowing speed measurement, and an outmost advantage is that an automobile emergency start function is provided. According to real tests, an automobile can start by means of the miniature multifunctional automobile emergency start portable power source normally at the temperature of minus 20 DEG C.