The capacitors are CAP ALUM POL 1500UF 20 2.5V T/H type, which are radial and have a can design. They feature 1500 microfarads of capacitance at a 2.5-volt rating and are constructed with aluminum-polymer materials. Additionally, they have low resistance at 5 milliohms and are designed to last for up to 2000 hours at an operating temperature of 105 degrees Celsius.