The Altima typically uses a 12-volt automotive battery, most commonly Group Size 35. Check your current battery’s label or the owner’s manual to confirm the exact fit for your vehicle.
In detail, replacing the battery on a 2013 Nissan Altima involves confirming the correct group size, ensuring the CCA and RC meet or exceed the OEM specifications, and choosing the right type (flooded vs. AGM) for your climate and driving needs. This article explains the usual battery size, what specs to look for, and how to replace it safely.
Common battery group sizes for the 2013 Altima
Before listing the sizes you’re likely to encounter, note that the majority of 2013 Altimas use Group Size 35. Some replacements or regional variants may also fit Group Size 24F. The following covers what you’re most likely to find when shopping.
- Group Size 35 — The standard and most common fit for the 2013 Altima; matches the battery tray, hold-down, and terminal layout in many trims.
- Group Size 24F — Occasionally seen as an alternative in certain climates or prior replacement histories; ensure the tray and terminals align.
When shopping, prioritize a battery that matches the Group Size 35 (or 24F if confirmed by the label) and fits the vehicle’s battery compartment and hold-down correctly.
Key specs to look for when buying a replacement
Before listing the specs, keep in mind these are the main criteria that determine compatibility and performance for a 2013 Altima. The goal is to match or exceed the original factory specs to avoid electrical issues.
- Battery type and condition — Most replacements are flooded lead-acid; AGM options exist but are less common for this model year. Confirm your preference based on climate and driving habits.
- Cold-cranking amps (CCA) — A typical range for Group Size 35 is around 540–640 CCA; aim for at least the lower end of this range to ensure reliable starting in cold weather.
- Reserve capacity (RC) — Expect roughly 90–100 minutes; higher RC can help if you run accessories with the engine off for extended periods.
- Terminal configuration and polarity — Ensure the replacement has the same positive/negative layout and top-post or side-post terminals as the original.
- Physical fit — The battery must fit the tray, reach, and hold-down in the engine bay without modification.
Concluding: Match the group size, CCA, RC, and terminal layout to your current battery and vehicle manual. If in doubt, bring the old battery or its label to the parts counter for precise compatibility.
Installation and safety tips for replacing the battery
Before starting, gather the right tools and take safety precautions. Replacing a car battery involves acid and spark risk, so proceed carefully.
- Park on a level surface and turn off the ignition. Engage the parking brake and wear gloves and eye protection.
- Disconnect the negative terminal first, then the positive terminal.
- Remove the hold-down clamp or bracket and lift the old battery out of the tray.
- Clean the battery tray and terminal clamps; remove any corrosion with a baking-soda solution if needed, then dry thoroughly.
- Place the new battery in the tray, secure the hold-down, and orient it so the terminals line up with the vehicle’s cables.
- Reconnect the positive terminal first, then the negative terminal. Tighten to the recommended torque and ensure a solid connection.
- Slide on and reconnect any battery cables or jump-start leads, then start the car to test the new battery. Check for warning lights or erratic behavior.
- Reset electronics as needed (radio codes, clock, seat memory) if the vehicle’s systems require it after a battery disconnect.
Conclusion: Following proper safety steps and matching the battery to the Altima’s specifications will help ensure reliable performance and avoid electronic faults after replacement.
Where to buy and how to verify the exact fit
When purchasing, use the vehicle’s VIN or consult the owner’s manual to confirm the exact battery specification. If you’re unsure, ask a parts counter specialist to cross-check the group size, CCA, RC, and terminal type against Nissan’s OEM specifications for your 2013 Altima.
Concluding: The most reliable route is to replace with a group size 35 battery (or 24F if your label specifies it) with CCA in the 540–640 range and RC around 90–100 minutes, ensuring correct fit and safe installation.
Summary
The 2013 Nissan Altima generally uses a 12-volt flooded lead-acid battery, most often Group Size 35. Verify the exact fit by checking the existing battery label or the owner’s manual. Look for a similar or higher CCA rating (about 540–640 CCA) and a matching RC (approximately 90–100 minutes), with the correct terminal arrangement and physical fit. For a safe replacement, follow proper disconnect/install steps and reset electronics as needed. Always confirm compatibility with your VIN if you’re unsure.