The 2020 Nissan Altima generally uses a standard 12-volt lead-acid battery. The common replacement fit is Group 35, around 60 Ah, with roughly 540–640 cold-cranking amps.
Battery essentials for the 2020 Altima
The Altima relies on a conventional 12-volt battery to power starting and the vehicle’s everyday electrical systems. It does not use a high-voltage or hybrid battery. Most US-spec 2020 Altimas employ a maintenance-free flooded lead-acid battery in Group 35 size, though exact specs can vary by trim, production date, and region. Always verify with the label or official documentation for your specific vehicle.
- Battery type: 12-volt lead-acid, maintenance-free (flooded)
- Group size: typically Group 35
- Capacity: about 60 Ah
- Cold-cranking amps (CCA): roughly 540–640 CCA depending on the battery model
- Note: this is the standard battery for starting and electronics; not the high-voltage or hybrid battery
In short, the usual fit for a 2020 Altima is a Group 35, 12-volt battery. Always confirm the exact spec by checking the battery label, the owner's manual, or a Nissan dealer's parts lookup for your VIN.
How to confirm the exact battery for your car
Because configurations can vary by market and production batch, use these steps to verify the precise battery fit for your Altima:
- Inspect the battery label for group size (e.g., Group 35), capacity (Ah), and CCA.
- Consult the owner's manual or service manual for the recommended battery type and size.
- Enter your VIN into Nissan's official parts database or ask a dealer for the exact spec.
- Ask an aftermarket parts retailer to verify that a Group 35 battery will fit your vehicle's electrical system.
Having the exact group size and CCA ensures you buy a battery that fits properly and delivers reliable starting power in your climate.
Replacement and care tips
When replacing, select a reputable brand with the correct group size and adequate CCA. Keep terminals clean, ensure secure mounting, and test the charging system to prevent premature failure. If you operate in extreme temperatures or rely heavily on electrical accessories, consider a battery with higher CCA or a high-quality maintenance-free option.
Summary
For the 2020 Nissan Altima, expect a standard 12-volt lead-acid battery, most often Group 35, about 60 Ah, and 540–640 CCA. Verify the exact spec using the battery label, your owner's manual, or a VIN-based parts lookup from Nissan or a trusted parts retailer.