Continental 121R-CS Supreme Automotive Battery – 12V 600 CCA Group 121R
The Continental 121R-CS Supreme battery delivers reliable 12-volt power and 600 cold cranking amps for strong, consistent starting performance. Designed as part of Continental’s Supreme series, this flooded lead-acid battery is engineered for group size 121R vehicles and provides a precise fit in compatible applications.
Built for everyday driving conditions, the 121R-CS combines durable construction with dependable power delivery. Its flooded lead-acid chemistry offers consistent performance and long service life, while the 24-month warranty provides added confidence in your battery investment.
121R-CS Key Features
- 600 Cold Cranking Amps (CCA) for reliable starting power
- Group Size 121R – engineered for a precise fit in compatible vehicles
- Flooded lead-acid construction for durable and consistent performance
- 100 minutes of reserve capacity
- 24-month warranty (Supreme series)
- Compact dimensions ideal for vehicles requiring 121R batteries
- Warranty: 24 Months
The Continental 121R-CS Supreme battery is a dependable choice for drivers seeking a high-quality replacement battery with strong cranking power and a solid warranty. Whether you’re maintaining a daily driver or replacing an aging battery, this model offers the performance and fitment you need.
Note: Always verify battery fitment using your vehicle’s make, model, and year before purchase. Professional installation is recommended.
About Continental Batteries
As a reliable battery distributor since 1932, Continental Battery Co stands on the same principles and ethics it was founded on. Our customer relationships have allowed us to embrace tremendous growth, expanding to over 90 Nationwide Branches and allowing for distribution to over 25,000 dealer locations.

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