BlueWalker PowerWalker VFI 1500RT LCD/UK. Output power capacity (VA): 1500 VA, Output power: 1350 W, Input operation voltage (min): 120 V. Battery type: 4x 12V / 7.2Ah, Battery recharge time: 3 h, Typical backup time at full load: 4 min. Colour of product: Black. Weight: 19700 g, Width: 438 mm, Depth: 436 mm. Bundled software: Winpower