The PBLS-2.75/21.6 from Tecate Group is a Supercapacitor with Capacitance 2750 mF, Voltage Rating 21.6 V, Equivalent Series Resistance 420 mOhms, Temperature Operating Range -40 to 65 Degree C. Tags: Through Hole. More details for PBLS-2.75/21.6 can be seen below.