Sol expert solar drive basic set screw sol expert 77774 p this solar drive basic set from sol expert is ideal as a class kit as it offers the chance to experiment with solar equipement providing 0 5v voltage and 330ma max the crystalline solar equipment has a very high efficiency cast in a base plate for stability to facilitate installation the solar module sm330 has two screw terminals that transform the connection of the solar motor rf300 into a breeze just penetrate the cable into