The Prince Portable includes all of the features of the Little Prince but also includes more ball capacity, longer battery life, and variable spin control.nbsp Standard Features include variable speed control 10 70 MPH, variable spin control, variable feed rate 2 13 sec., manual elevation control ground stroke to lob, random sweep with fixed sweep width, and it has a 300 ball capacity.nbsp All 4 models are available in battery or electric power versions.nbsp Standard battery life is 4 6 hrs on full charge. Model 2 also includes manually adjusted sweep control and electronically adjusted elevation control.nbsp Model 3 also includes one function remote control.nbsp Model 4 also includes electronically adjusted sweep control, two line drill, and ten function remote control.