brand new and high quality Features: Made of food grade material, strong, durable and pollution-free, good performance and long service life. Low ESR characteristics that fast charge only needs few seconds. It also can be used as an backup power source in electronic devices such as R AM, for smart three-meter, motor drive, clock circuit, CMOS power-down for protection and other fields. Wider practicability for car starting, solar wind etc.. Super capacitor only, other accessories demo in the picture is not included! Specification: Material: Electronic Component Size: app.13.7 x 6cm/5.39 x 2.36in Capacitance: 3400F Voltage Rated: 2.85V ESR (Equivalent Series Resistance): 0.28m Ohm Termination: Screw Terminals Mounting Type: Chassis, Stud Mount Operating Temperature Range: -40 - 65/-40 - 149 Interface Thread Size: M10 Color: Blue Quantity: 1 Pc Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Super Capacitor