The capacitors are part of the CAP ALUM POLY series with the specific model number being 390UF 20 2.5V SMD. These components have a capacitance of 390 microfarads and operate at a voltage of 2.5 volts. They utilize an aluminum-polymer construction and come in the metric packaging size 2917, also known as 7343. The resistance is 6 milliohms, and they are designed to last for up to 2000 hours when exposed to temperatures of 105 degrees Celsius.