The PLUC3400C2R70WLA from Plan Nanotechnology is a Supercapacitor with Capacitance 3400 F, Voltage Rating 2.7 V, Equivalent Series Resistance 0.15 to 0.22 milli-ohm, Temperature Operating Range -40 to 65 Degree C. Tags: Screw Mount. More details for PLUC3400C2R70WLA can be seen below.