This is a multi-functional solar inverter/charger hybrid available in 3.5KW, 4KW, 5.5KW, and 6KW, combining the functions of a pure sine wave inverter, solar charger inverter, solar grid inverter, and solar hybrid inverter with MPPT to offer uninterruptible power support in a portable size. Its comprehensive LCD display offers user-configurable and easy-accessible button operation such as battery charging current, AC/solar charger priority, and acceptable input voltage based on different applications. With a USB on-the-go function to facilitate data upload/download.