They are DC-AC converters that convert DC energy produced from Solar Energy Panels to commonly used AC energy such as 220V/380V/800V. They can be in a range from 100W to 10Mw. There are many product ranges that can work with solar inverters DC voltage between 12V-2000V. Criteria to be considered in product selection; Important features such as On/Grid, Off-Grid, Hybrid Full sine, modified can be mentioned. Almost all have the same structural electronic circuits. You can make the right choice by using the wide comparison capability on our site.