Generally speaking, the power station supply is a large capacity mobile power supply, a machine that can store electric energy. Its working principle is AC 220V output, which can drive a small power rice cooker, cook rice, bring a coffee machine to make coffee, can be used for lighting, can use a power socket, and can charge a variety of electrical appliances. It not only has all the functions of online UPS, but also provides stable power protection for key loads, optimizes UPS performance, and reasonably saves the capital investment of oil pump, reactive power compensation equipment and voltage stabilizing equipment.