The mission of Dyness is to make an easy healthier energetical chain for a reasonable price. The company Dyness is among the major world’s battery producers. And what is the battery for? It happens, and it is not an exception, that the solar panels produce more energy than you can utilize. That is when the controller comes into play because it charges batteries. And on the contrary, when there is not enough energy, you can draw the storage energy from batteries. In case of any questions, you can contact us via chat or send us an email. Our experts on photovoltaics will be happy to discuss all the possibilities with you. There is more you can get in our shop. We have solar panels, invertors, compositions, water heating and other photovoltaic accessories.