500VA Backup Uninterruptible Power Supply, 120V/220V

500VA (300W) backup uninterruptible power supply for sale, 110V/120V AC or 220V/230V/240V AC input & output voltage, wide range of voltage/frequency input, easy to provide stable and reliable power supply in harsh environment. Backup power supply for home with optional LCD/LED display. The reliable UPS can connect with computer by RS232 for remote control. Competitive price and free shipping.

Features

1. Wide range of voltage/frequency input.

• The cheap UPS power supply has automatic on-line voltage stabilization and input voltage ranges from 81V to 145V AC or 162V to 290V AC, 120V UPS power supply, 240V backup power supply are also available, which effectively reduces the battery usage rate, thereby extending the battery life, especially suitable for areas where there are large power grid fluctuations and poor power environment.

2. Excellent microprocessor ensures reliable operation.

• UPS adopts advanced microcomputer (CPU) control technology, faster and more accurate data processing and control.
• With interactive design, the UPS system uses AC to DC to charge the battery and ensures that the built-in battery has enough energy during running.
• Advanced Hall devices and high quality components are adopted in UPS to provide users with a reliable power supply. Quality backup power supply for desktop computer.

3. Intelligent no-load automatic on and off technology.

• When the utility power is supplied, the UPS will automatically turn on and the battery will be charged at the same time.
• The system will automatically detect the load when the UPS is in the shutdown state and power failure. If the load is less than 5%, the UPS will be in no-load state and automatically shut down after 1 minute to reduce loss and effectively extend the battery lifespan.

Specification