brand new and high quality Features: Made of high quality material, strong, durable and pollution-free, good performance and long service life. Low ESR characteristics with high current alternative to electricity, and fast charge only needs few seconds. Up to a million times charge-discharge cycle life or 10 years for DC. It also features resistance or active monomer equalizing function. It also can be used as an backup power source in electronic devices such as RAM, for smart three-meter, motor drive, clock circuit, CMOS power-down for protection and other fields. Suitable for helping users optimize backup power applications. Wider practicability for car starting, solar wind, etc.. Super capacitor only, other accessories demo in the picture is not included! Specification: Material: Electronic Component Rated Voltage: 2.7V Optional Capacity: A 360/B 360/400/500/650F Size: A360/400/500F: app.6.2 x 3.5cm/2.44 x 1.38in; B 360: app.6.7 x 3.5cm/2.64 x 1.38in; 650F: app.8.8 x 3.8cm/3.46 x 1.5in 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