The inverter power supply is also called the inverter. There is no difference between the two. It is a DC/AC converter that converts the DC power of the battery pack into an AC power with stable output voltage and frequency. It generally refers to a device that converts low-voltage direct current into high-voltage (or low-voltage) alternating current. It can use a battery as a power source and output alternating current. Specifically, for example, a 12V storage battery cannot supply power for ordinary lamps, computers, televisions, etc., but if the storage battery is converted into ordinary 220V AC power through an inverter and then connected to these electrical appliances, they can work normally. Generally, the inverter power supply has its own battery. The UPS power supply sold in the computer city is such a thing, but the battery itself is small, and it can only work for the computer for a few minutes to ten minutes. It is mainly for sudden power failure. Rely on it to continue powering your computer, giving you time to save unsaved files and time to shut down gracefully.