The capacitors are CAP ALUM POLY 150UF 20 6.3V SMD, which are aluminum-polymer types with a capacitance of 150 microfarads and a voltage rating of 6.3 volts. They have a metric size of 2917 or 7343, and an ESR (Equivalent Series Resistance) of approximately 9 milliohms. The capacitors are designed to operate for up to 2000 hours at a temperature of 105 degrees Celsius.