This powerful inverter from Ryobi is a must-have for anyone looking to harness the energy of the sun. The inverter technology is battery-based, making it portable and easy to use. It comes equipped with a USB port and is designed in a compact, green color with a length of 18.5 inches. The Ryobi 40V Lithium Battery Inverter Power Station (RYI1802BT) is a top-of-the-line product that will help you maximize the power output of your solar panels.