100% Brand New and High Quality Features: Made of high-quality material, strong, durable, and environmentally friendly, offering good performance and a long lifespan. Low ESR characteristics with high current for electricity backup, and fast charging takes only seconds. Up to one million times of charge-discharge cycles or 10 years of DC use. Features resistance or active monomer equalization function. Can also be used as a backup power source in electronic devices such as RAM, smart electric meters, motor drives, clock circuits, CMOS power-off protection, and other areas. Suitable for optimizing backup power applications. Broader applicability for car starting, solar wind, etc. Supercapacitor only, other accessories demo in the picture are not included! Specification: Material: Electronic Component Rated Voltage: 2.7V Optional Capacitance: A 360/B 360/400/500/650F Size: A360/400/500F: Approx. 6.2 x 3.5 cm/2.44 x 1.38 inches; B 360: Approx. 6.7 x 3.5 cm/2.64 x 1.38 inches; 650F: Approx. 8.8 x 3.8 cm/3.46 x 1.5 inches Color: Blue Quantity: 1 Pc Note: No retail package. Please allow 0-1 cm error due to manual measurement. Make sure you don't mind before bidding. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 x Supercapacitor