The HP-2R7-J126VYJ19 from Jinzhou Kaimei Power is a Supercapacitor with Capacitance 12000 mF, Voltage Rating 2.7 V, Equivalent Series Resistance 80 mOhms, Temperature Operating Range -40 to 70 Degree C. Tags: Through Hole. More details for HP-2R7-J126VYJ19 can be seen below.