1979 Rolls Royce Silver Shadow II Base V8 6.7L Car and Truck Battery

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With high cold cranking amps, this battery delivers serious starting power. The Duracell Ultra Gold Car Battery Group 27F | 840CCA provides powerful starts, durability, and all-season reliability—perfect for larger vehicles with higher electrical needs.

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The Duracell Ultra Platinum AGM Group 27F battery delivers powerful 750 CCA performance, faster recharging, and superior durability for demanding vehicles and accessories.

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Packed with high cold cranking amps, it’s ready for tough conditions. The Optima Yellow Top 830CCA AGM Car Battery is built for high-demand Group 27F vehicles, delivering powerful starts, deep cycling, and unmatched vibration resistance.

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Strong, simple, and dependable — The Duracell Ultra Car Battery Group 27F | 710CCA delivers dependable cold cranking performance and reliable year-round power—trusted by drivers for strength and value.

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Don't let ignition stress drain you. Modern engines place the highest energy demand on a battery during the first 5 seconds. X2Power Ultimate AGM features industry-leading Peak Cranking Amps (PCA) for the ultimate high-end force at startup.