Best 500VA/300W UPS With Automatic Voltage Regulation (AVR) / 7 Ah Batetery / 4 NEMA 5-15R Outlets / LED Display

Specifications:

• 120 VAC input only
• 500VA/300W
• LED display or LCD display for option
• Microprocessor-based digital control
• Boost and buck AVR for voltage stabilization
• Auto sensing frequency
• Humanized alarm system
• Power-on self test
• Cold start
• Auto restart when mains power is restored
• Simulated sine wave output
• Intelligent battery management
• Short circuit, battery overcharge / overdischarge, overload, surge protections
• Automatic charging in OFF mode
• Optional no-load shutdown