Crown 51R-XD: 12V Group 51R Xtra Duty Automotive Starting Battery

The Crown 51R-XD is a high-performance 12-Volt starting battery engineered for "Xtra Duty" (XD) reliability in a compact, space-efficient footprint. As a Group 51R battery, it features the specific reversed terminal configuration (Positive on the right) essential for many modern compact cars and hybrid vehicles. Delivering 500 Cold Cranking Amps (CCA) and 625 Cranking Amps (CA), the 51R-XD provides superior ignition torque and stable electrical performance for vehicles equipped with sophisticated on-board electronics.

Engineered for Xtra Duty Performance

• SolidCast™ Grid Technology: Precision-cast full-frame grids provide a superior electrical pathway and increased resistance to internal corrosion, significantly extending the battery's functional life.
• High-Torque Cranking Power: Optimized with 500 CCA and 625 CA to ensure dependable engine starts for high-efficiency engines across all seasonal conditions.
• PosiWrap™ Envelope Separators: Advanced separator technology shields the plates to prevent internal short circuits and guard against active material shedding caused by engine vibration.
• Maintenance-Free Convenience: Specifically engineered to minimize electrolyte loss and prevent fluid depletion, offering a reliable starting solution with minimal upkeep.
• Industrial Case Design: Built with a high-impact polypropylene container to protect internal components from road shock and extreme engine compartment temperatures.
• Made in the USA: Proudly manufactured in North America to rigorous quality standards for guaranteed professional-grade reliability.

Technical Specifications

Physical Dimensions