An energy storage power supply is a versatile outdoor power source equipped with a built-in lithium-ion battery, capable of storing electrical energy. It is also known as a portable AC/DC power supply. This outdoor power source functions as a compact, portable charging station, characterized by its lightweight design, high capacity, substantial power output, long service life, and robust stability. It is not only equipped with multiple USB interfaces for charging digital devices but also provides standard power supply interfaces such as DC, AC, and car cigarette lighter outputs. This versatility allows it to power a wide range of devices, including laptops, drones, photography lighting, projectors, rice cookers, electric fans, kettles, and even vehicles. It is suitable for a variety of power-intensive scenarios, including outdoor camping, live broadcasting, outdoor construction, location filming, and household emergency power needs. This energy storage power supply is an ideal solution for delivering reliable and portable electricity in a wide range of applications, catering to the needs of users in outdoor, on-the-go, and emergency situations.