Gembird UPS » EG-UPS-B650
System requirements In order to work correctly, the connected load should be at least 5% of the maximum capacity of the UPS. For example, a 700 W UPS needs at least a connected load of 35 W to work.
Specifications UPS type: line interactive Input: AC 220V±28%, 50Hz/60Hz ±10% Output: AC 220V±10%, 50Hz/60Hz ±0.5% (on battery) Switching time: no more than 10 ms Backup time: up to.20 mins (depends on the load) Battery: 151 x 65 x 95 mm, sealed lead-acid 12V/7Ah x 1 pc Charge time: up to 12 hours Sockets: 2 x Schuko output (CEE 7/4) Operating conditions: 0°C~40°C, at humidity 10~90%RH non condensing Power: 650 VA (390 W) Dimensions: 100 x 280 x 140 mm Product weight: 4.3 kg "Cold-start" function
https://gembird.com/item.aspx?id=8708