Brand-X XL600FB 600 Amp Fast-Batt Battery/Capacitor Combo 600 Amp Fast-Batt Battery/Cap Combo - CCA Rating: 600 - Dimensions: 4.92''W x 6.65''H x 6.53''L Satin Chrome Finish - Amp Hours: 5.5 Blue Digital Voltage Meter and LED Display - Surge-Amps x Seconds: 600-2 Distribution Block Terminal Type - Internal Resistance: 10 Milli-Ohms 3-6 Year Cycle Life - Voltage: 16 DVC