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 mean rapid charging in just seconds. It can also be used as a backup power source in electronic devices such as R AM, for smart electricity meters, motor drive, clock circuit, CMOS power-off protection and other fields. Wider applicability for car starting, solar wind, etc.. Super capacitor only, other accessories demo in the picture is not included! Specification: Material: Electronic component Size: approx. 13.7 x 6 cm/5.39 x 2.36 inches Capacitance: 3400F Rated voltage: 2.85V ESR (equivalent series resistance): 0.28m Ohm Connection: 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. Make sure you don't 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