Features: 5V 3.3F Super Capacitor delivers 3.3f high capacity energy storage in a compactly design 21x12MM/. offering robust pulses power and backup support for space constrained electronics with precise 5v voltages compatibility. Engineered with technology, this low capacitor enables 500,000+ charging cycles and instantly high current discharge. Essential for electronics engineers designing devices,systems, or Bluetooth-compatible modules needing compact backup power solution under 3.3V thresholds. Safeguards critical data for meters, maintains USB device setting during outages, and power motor driven toy with rapid energy bursts for seamless operating. Specifications: Capacity: 3.3f Voltages: 5v Size: about 21x12MM/8.26x4.72in Color: Green Capacity deviation (25℃): -20%~+80% Working temperature ranges: -40℃-+70℃ Package Includes: 1PC 5V 3.3F Capacitor note: Due to problem of lighting effect,there might be tolerances in product, please understand. Please allow 0-1cm error due to the measurment