If you are a lover of computer science and electronics , you like to stay up to date with technological news and you do not miss any detail, buy the Cyberpower Interactive UPS OLS3000EA-DE 2700 W at the best price. Color: Black Power: 2700 W Approx. weight: 26 kg Certificate: CE RoHS Plug-in Product: Yes Cable length: 1.5m Links: C13 Schuko x 4 USB AC x 7 Material: Metal Plug Type: EU Nest Type: Interactive UPS Features: Battery RoHS Yes Black No Alarm Integrated fan Overload indicator Voltage: 220V Output Voltage: 240V AC Input Voltage: 230V AC Input: 50/60Hz Frequency: 50 - 60 Hz Charging time approx.: 4 hours