Offline UPS 400va to 3000va for Desktops Computer Use

Offline UPS 400va to 3000va for Desktops Computer Use. Wide Input Voltage Range: Supports 81-145VAC/162-290VAC for stable operation in varying power conditions. Fast Transfer Time: Typical 2-6ms with a maximum of 10ms to ensure seamless power switching. Cold Start Function: Enables system startup directly from battery power without AC input. Comprehensive Protection: Features overload, overcharge, and surge protection for connected devices. Smart Management Interface: Includes optional USB and RS-232 ports for power management and monitoring. Fast Recharge Capability: Recharges battery to 90% capacity within 6-8 hours. Auto Restart Function: Automatically restarts the connected equipment when AC power is restored. Low Noise Operation: Operates quietly with a noise level below 45dB at 1 meter distance.