Check the listing for details. LEIGESAUDIO 2.5 Farad Digital Power Capacitor for Car Audio System, Performan.... Condition: New. Listed at 55.99 USD. SUPPORTS CAR AUDIO SYSTEM: A high-demand audio setup can often place extra demand on your car's electrical system. When you need power, especially for booming bass and soaring highs, this 2.5 farad capacitor will have more electrical conductors than other competitors.BLUE DIGITAL DISPLAY: it's got all you need to make sure your system sounds awesome and stays safe - a blue digital voltage readout to show you how much power is available.TRUE CAPACITANCE: it keeps your light bright and reduce dimming lights.SAFETY FEATURES: Equipped with automatic shut off protection and an over-voltage protection circuit ensure maximum performance and reliability. Blue digital display and blue led flash - electronic polarity protection circuit. Strong finishing for a better installation result - over voltage protection circuit. Features capacitance ± 5%, 20-24 volt surge, 105℃ w/ DC 12 to 24 volt.MOUNTING HARDWARE: A capacitor that includes mounting bracket for a secure and easy installation. Chrome-plated posts accept any gauge of wire with ring terminals.