UPS power supply is also UPS uninterruptible power supply. Simply put, it is a device that can continue to provide uninterruptible power to electrical equipment when there is a power failure to ensure that the equipment can work normally.

There is also a deeper role is to protect equipment and data security, this aspect of the UPS power supply will often be used in the hospital precision instruments, financial industry servers, etc., to protect some sophisticated equipment from the impact of mains quality, and protect the security of the data being transmitted, to prevent the risk of data loss, which is particularly important in the financial industry.