Mecer 850VA Line Interactive UPS ,ME-850-VU

Power capacity: 850va / 480w input voltage: 220vac output voltage: 230vac ± 10% input frequency: 50/60hz ± 5hz output frequency: 50/60hz ± 1hz (battery mode) transfer time: <10ms (typical) battery type: sealed lead-acid maintenance-free battery battery voltage: 12vdc backup time: approximately 5-20 minutes (depending on load) recharge time: 4-6 hours to 90% capacity number of outlets: 4 x iec c13 outlets surge protection: yes communication interface: usb software: powermaster ups monitoring software audible alarm: battery mode, low battery, overload, fault dimensions: 100mm x 146mm x 320mm (w x h x d)