Brand-X XFL100F 100-Farad Hybrid Super Capacitor with Blue Digital DC Voltage and Amperage Meter 100 Farad Hybrid Capacitor - With Double Blue Amp & Voltage Meter w/Remote Function - Capacitance Tolerance : +-10% Satin Metal Finish Case - Capacitance : 100,000,000 Micro Farad (100 Farad) - Mounting Brackets with Hardware & Charging Resistors are also Included Provides Increased Instantanious Power Transfer - Working Voltage : 16 DCV - Dimensions: 11.25''W x 3.75''H x 5.15''L Greatly Improved Transitions Power Response/Bass Impact Definition - Surge Voltage : 20 DCV 24K Gold Contact Terminals Deliver Maximum Conductivity & Corrision Resistance - E.S.R. (Equivalent Series Resistance) : 0.0015 ohm @ 120hz/25C