GIDEON 650VA Simulated Sine Wave UPS Backup Power Alarm System for Desktop Computer

This 650VA/390W UPS features intelligent CPU control, with boost and buck AVR functions to protect connected equipment from voltage fluctuations. It supports wide input voltage range of 110/120V or 220/230/240V with auto-sensing frequency (50/60Hz). In battery mode, output waveform is simulated sine wave (depending on model) with a transfer time of only 4-6ms, ensuring continuous operation of your devices. Multiple battery options are available (4.5Ah to 9Ah), and the unit can recharge to 90% capacity within 8 hours. The LCD display shows real-time input/output voltage, load level, and battery level. It also supports mute function and screen-off mode. Other features include cold start, automatic restart upon AC recovery, off-mode charging, and full protection against overload, short circuit, and discharge. Optional USB or RS-232 communication ports are available, compatible with major operating systems. Ideal for home computers, office equipment, network terminals, and more.