50 Amp Hub connects 2 x EcoFlow DELTA Pro 3(output current 33A) or 2 x DELTA Pro Ultra Inverter Highlights: Double the Output: Chain 2 x DELTA Pro Ultra Inverter together for a continuous output of 12kW and peak output of 18kW to run even the most heavy-duty appliances. In the Box: EcoFlow 50 Amp Hub x 1 EcoFlow Power Input/Output Cable x 2 Specifications: EcoFlow DELTA Pro Ultra: AC Input: 120/240V~ 60Hz~ 30A (x2) Max per port AC Output: 120/240V~ 60Hz~ 12000W Max~ Total 50A Max Dimensions: 13.2x6.2x2.4 in (335x158.5x60.5 mm) EcoFlow DELTA Pro 3: AC Input: 120/240V~ 60Hz ~ 16.7A (x2) Max per port AC Output: 120/240V~ 60Hz~ 8000W Max~ Total 33A Max Dimensions: 13.2x6.2x2.4 in (335x158.5x60.5 mm)