Portable power station is a kind of small mobile power equipment, it is portable, small size, light weight, easy to carry; The battery pack is used to store electric energy, and the battery capacity is different, and the battery management system ensures the safety of the battery. There are a variety of output interfaces for different types of electrical equipment power supply, including mobile phones, computers, lighting equipment, etc., but also to a certain extent to support such as electric kettles and other high-power electrical appliances; At the same time, it has a variety of charging methods, such as mains charging, partial support for solar energy and vehicle charging, mainly used in outdoor power supply, emergency backup power, mobile office and car emergency scenarios.