Outback's Radian Series Inverter/Charger is a flexible Grid-Tie or Off-Grid solution with dual AC inputs.  This allows it to seamlessly operate from Grid or generator inputs. It has continuous output power of 4000W @ 120/240AC split-phase 50 or 60Hz. Designed to operate with a 48Vdc battery bank, with a 57.5 Amp charger and a 50 Amp AC input (at 240VAC). Includes mounting plate, hardware and RTS Features:

• GridZero technology optimizes the balance between stored and renewable energy sources, minimizing grid dependence
• Advanced Battery Charging (ABC) supports leading-edge battery technologies including lithium-ion
• 4000W of continuous power
• Field-adjustable input/output voltage and frequency boundaries of 50/60Hz, 170-280VAC L-L and 200-260V nominal, respectively
• Unsurpassed surge capacity
• 120/240V split-phase voltage
• Dual AC inputs
• Field upgradeable firmware
• Field serviceable modular design
• Simplified stacking design
• GS load center option allows for quick and easy installation. Rule 21 compliant

Specs:

• Dimensions (inches): 28 x 16 x 8.7
• Grid voltage: 120/240V
• Power (watts): 3600
• Voltage: 48V
• Weight (lbs.): 82