ACDelco 94RAGM Automotive AGM Battery – Group 94R
We engineered the ACDelco 94RAGM to deliver exceptional starting power and reliable performance for modern vehicles with advanced electrical demands. This BCI Group 94R AGM battery features absorbed glass mat technology that suspends electrolyte within highly porous microfiber separators, eliminating acid spills and enabling mounting in multiple positions.
Our professional-grade design provides superior cycling capability for vehicles with start-stop systems, high-demand electronics, and frequent short-trip driving. The ACDelco 94RAGM battery offers up to three times the cycle life of conventional flooded batteries, making it the ideal choice for drivers who demand dependable cold cranking performance and long-term durability.
- BCI Group 94R size: 12.4 inches length × 6.9 inches width × 7.5 inches height
- 800 cold cranking amps (CCA) at 0°F for reliable starting in extreme conditions
- 120-minute reserve capacity to power essential systems during alternator failure
- Absorbed glass mat (AGM) technology prevents acid leaks and allows flexible mounting
- Valve-regulated recombinant design minimizes water loss and eliminates maintenance
AGM Technology and Construction
The acdelco agm automotive bci group 94r battery 94ragm uses absorbed glass mat technology that fundamentally differs from conventional flooded batteries. We suspend the electrolyte solution within tightly packed glass fiber separators rather than allowing it to flow freely between plates. This construction creates several performance advantages that matter to today’s drivers.
Our valve-regulated recombinant design captures hydrogen and oxygen gases produced during charging, recombining them back into water inside the sealed case. This process virtually eliminates water loss and maintenance requirements throughout the battery’s service life. The sealed construction also prevents acid leaks, allowing you to install the 94RAGM battery in the trunk, under seats, or in other non-traditional locations without concern for spills or corrosion damage to surrounding components.
Cold Cranking Performance and Reserve Capacity
The ACDelco 94RAGM delivers 800 cold cranking amps at 0°F, providing the robust starting power required for modern engines with high compression ratios and tight manufacturing tolerances. We measure CCA by determining how many amps the battery can deliver for 30 seconds while maintaining at least 7.2 volts at zero degrees Fahrenheit. This rating directly indicates the battery’s ability to start your engine during winter conditions when oil thickens and engine resistance increases.
Our 120-minute reserve capacity rating tells you how long the battery can supply 25 amps at 80°F before voltage drops below 10.5 volts. This specification matters when your alternator fails or your belt breaks, as it determines how far you can drive using only battery power to run ignition, fuel injection, lights, and other essential systems. The acdelco agm automotive bci group 94r battery 94ragm provides enough reserve capacity to reach a service facility in most driving scenarios.
Fitment and Vehicle Compatibility
We designed the ACDelco 94RAGM to BCI Group 94R specifications, ensuring proper fitment in vehicles originally equipped with this battery group size. The physical dimensions measure 12.4 inches in length, 6.9 inches in width, and 7.5 inches in height, matching the battery tray dimensions in many European and Asian vehicles including select BMW, Audi, Mercedes-Benz, and other import models.
The “R” designation in Group 94R indicates right-positive terminal orientation, meaning the positive terminal is located on the right side when you face the battery from the front. This orientation matters because your vehicle’s battery cables have fixed lengths and specific attachment points. Always verify your original battery’s group size and terminal orientation before ordering a replacement to ensure the cables reach properly without stress or modification.
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Common Questions About the 94RAGM Battery
Yes, the 94RAGM is designed to BCI Group 94R specifications with exact dimensions of 12.4″ × 6.9″ × 7.5″. If your current battery is labeled Group 94R with right-positive terminal orientation, the ACDelco 94RAGM will fit your battery tray and connect properly to your existing cables.
Always verify your current battery’s group size on the label before ordering. The physical dimensions and terminal positions must match to ensure proper installation without cable modification or safety concerns.
We recommend using a charger with an AGM or absorbed glass mat setting that limits charging voltage to 14.7 volts maximum. Standard flooded battery chargers may apply excessive voltage above 15 volts, which can damage the valve-regulated design and reduce the battery’s service life.
Many modern automotive smart chargers include AGM settings specifically for this purpose. If you’re unsure about your charger’s compatibility, check the manufacturer’s specifications or consider upgrading to a charger with AGM capability to protect your investment.
Under typical driving conditions with a properly functioning charging system, the 94RAGM AGM battery typically delivers 4-7 years of reliable service. Actual lifespan depends on climate, driving patterns, electrical load, and maintenance of your vehicle’s charging system.
Vehicles with start-stop technology, frequent short trips, or high electrical demands may experience different service life. The AGM construction provides superior cycle life compared to conventional batteries, handling these demanding applications much better than flooded designs. Our 36-month free replacement warranty provides coverage during the critical early years of ownership.
The 800 cold cranking amp rating indicates the battery can deliver 800 amps for 30 seconds at 0°F while maintaining at least 7.2 volts. This measurement directly reflects the battery’s ability to start your engine in cold weather when oil thickens and cranking resistance increases significantly.
Higher CCA ratings provide stronger cranking power for larger engines, high-compression designs, or extremely cold climates. The 94RAGM’s 800 CCA specification exceeds the requirements for most vehicles using Group 94R batteries, ensuring reliable cold-weather starting performance throughout the battery’s service life.
Yes, the 94RAGM features valve-regulated recombinant design that eliminates water loss and maintenance requirements. The sealed construction captures gases produced during charging and recombines them back into water internally, so you never need to add water or check electrolyte levels.
The calcium grid technology also minimizes self-discharge, allowing the battery to maintain its charge during storage or infrequent use without requiring periodic charging. Simply ensure your vehicle’s charging system operates within proper voltage ranges and the battery will provide reliable service without maintenance intervention.
The AGM construction allows mounting in various positions including on its side, though we recommend consulting your vehicle’s installation requirements. The absorbed glass mat technology suspends electrolyte within the separators rather than allowing it to flow freely, preventing acid leaks regardless of orientation.
However, do not mount the battery upside down as the valve system requires proper orientation to function correctly. The sealed, spill-proof design makes the 94RAGM ideal for trunk mounting, under-seat installation, or other non-traditional locations where conventional flooded batteries would pose leak risks.
Our 36-month free replacement warranty covers defects in materials and workmanship for the entire three-year period from your purchase date. If the battery fails to hold a charge, exhibits manufacturing defects, or doesn’t perform to specifications, we’ll replace it at no charge when you present your original receipt.
The warranty includes the replacement battery plus installation labor reimbursement at prevailing rates. Coverage applies to standard automotive starting applications and requires proof of purchase. Damage from improper installation, incorrect charging, or use in non-automotive applications is not covered under warranty terms.