The formulas and methods described are to help users better understand how to size a supercapacitor and the process of calculating the needed parameters. Eaton has an on-line calculator available to make this process easier. With just the 4 basic selection parameters the customer can select the proper supercapcitor size. With additional information one can optimize the design using the calculator that will do the calculations for the customer. Eaton also has several application notes and guidelines to help the customer select the supercapicitor best suited for the project.