The SP-5R5-Z805UYL21 from Jinzhou Kaimei Power is a Supercapacitor with Capacitance 8000 mF, Voltage Rating 5.5 V, Equivalent Series Resistance 120 mOhms, Temperature Operating Range -40 to 70 Degree C. Tags: Through Hole. More details for SP-5R5-Z805UYL21 can be seen below.