Sol expert solar drive basic set with solder sol expert 77775 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 the solar cell sm330l is equipped with 2 solder pads that can easily be fixed to the solar motor while pictorial instructions are included in the kit to describe the proce