Emerson Liebert PSP 650VA (390W). Output power capacity (VA): 650 VA, Output power: 390 W, Power supply input frequency: 60 Hz. Battery type: VDC x Ah, Battery recharge time: 8 h. Colour of product: Black. Weight: 3.9 kg. Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): -15 - 40 °C, Operating relative humidity range: 0 - 90 %