The Control Box : This unit is for control and adjusting the temperature, pressure, and other parameters to optimize performance. OMT control box will be in English language and user friendly. Crystal Clear Ice Maker Machine, Ice Block Production Machine, Ice Block Machine For Sale, Ice Bagging Machine,Ice Maker Maker. The types of Ice Produced: The product will supply to all over the world, such as Europe, America, Australia,Swiss, Czech,El Salvador, Mauritius.3.Battery: there are mainly two types of battery in the solar system. One is cheap one, lead batteries, this one is cheap but can’t last long, another is lithium battery, this one is expensive but it works quite well.