What size battery goes in a 2005 Nissan Altima?

The typical replacement for a 2005 Nissan Altima is a 12-volt lead-acid battery in Group Size 24F, with about 550–650 cold-cranking amps (CCA) and roughly 90–120 minutes of reserve capacity (RC). Some V6 models or cars in very cold climates may use Group Size 35. Always verify by checking the battery label or the owner’s manual to ensure the correct fit.

Common battery sizes for the 2005 Altima

This quick guide shows the group sizes you’re most likely to encounter on a 2005 Altima, depending on engine and climate configuration.

• Group Size 24F: A common 12-volt battery size for most 2005 Altima 2.5L four-cylinders; typical CCA around 550–650 and RC around 90–120 minutes. It fits the standard engine bay layout and terminal arrangement.


• Group Size 35: A larger option used in some V6 configurations or in colder climates where higher CCA is beneficial; typical CCA 600–750 and RC 90–140 minutes.

Choose a battery that matches or exceeds the original CCA and RC ratings and ensures the physical fit and terminal orientation match your car.

How to confirm the exact size for your Altima

When in doubt, use these steps to confirm the correct group size for your specific car before purchasing a replacement.

• Check the label on your current battery for the Group Size (e.g., 24F or 35) and the CCA/RC ratings.


• Consult the 2005 Nissan Altima owner's manual or Nissan's official service data for your exact trim and engine.


• Ask a parts retailer or mechanic with your VIN to verify the correct battery size and ratings.


• Compare physical dimensions and terminal layout with the replacement battery to ensure fitment.

Following these steps helps avoid buying the wrong size and ensures reliable starts in all conditions.

Additional considerations

Beyond group size, consider climate, driving patterns, and electronics. In colder climates, prioritize higher CCA and adequate RC for long winters; in hot climates, heat tolerance and alternator supply are important. If your Altima uses factory features like a premium audio system or navigation, confirm any parasitic draw from electronics won’t exceed the battery’s capability.

Cold-weather tips

For winter starts, a battery with higher CCA and longer RC can improve reliability. If you live in a region with severe cold, consider a Group Size 35 battery with CCA in the 650–750 range and RC 120 minutes or more.

Maintenance and installation reminders

Clean terminals, ensure proper torque on hold-downs, and replace the battery with the correct polarity. Dispose of the old battery at an approved recycling center and, if replacing yourself, follow safety precautions for handling heavy, acid-containing components.

Summary: The 2005 Nissan Altima typically uses a Group Size 24F battery, with Group Size 35 as a possible alternative in certain configurations or climates. Always verify the exact size from the car’s manual or the existing battery label and ensure the replacement meets or exceeds the original CCA and RC specs.

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