APC Smart-UPS VT. Output power capacity (VA): 20000 VA, Output power: 16000 W, Power supply input frequency: 47/70 Hz. Battery type: VRLA, Battery recharge time: 5 h, Typical backup time at half load: 46.5 min. Colour of product: Black. Weight: 599000 g. Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): -50 - 40 °C, Operating relative humidity range: 0 - 95 %