AES Solution, is the exclusive representative for Vina Tech Supercapacitors product in North America.Vina Tech "Hy-Cap" ™ portfolio features:2.5,2.7 and 3.0 volt, EDLC: Ranging from 1 to 600 farads with low ESR.2.3 volt, high energy density P-EDLC from 10 to 800 farads