Independent channel operation, 1344W per channel, 2688W total using 40V input. Intuitive PowerLab interface. Designed with built in PowerLab reliability and quality. Extended input voltage range (10V-48V). Independent cables so you can power each channel with a separate power supply to attain maximum power from each channel even when using 110VAC, 15A AC circuits.Click here to view product specifications and download Charge Control Software to your PC.