FEEO solar charge controllers with more functions will be sold from 9th, June. The functions include time-control, light-controller and USB charging. We can afford you more voltage (12v, 12/24v, 48v) and more current (10/20/30/40A) for you. The liquid crystal display device with light can give our customer better using experience. If you need this product, please contact us and we will give you best price.