Beijing UPS Uninterruptible Power Supply Pricing, Beijing UPS Uninterruptible Power Supply Phone, Beijing UPS Uninterruptible Power Supply Wholesale - UPS, Uninterruptible Power Supply, is a power source equipped with energy storage. It's primarily used to provide continuous power to equipment that requires high stability in power supply. [1] When the main power is normal, the UPS stabilizes the main power and supplies it to the load, functioning as an AC voltage stabilizer at this time, while also charging the internal battery; when the main power is interrupted (due to power outages), the UPS immediately converts the DC power from the battery through an inverter to continue supplying 220V AC power to the load, ensuring the load operates normally and protecting the load's software and hardware from damage. UPS equipment typically offers protection against both overvoltage and undervoltage.