A weak battery can leave your 2016 Nissan Altima struggling to start, especially during cold weather. Choosing a replacement means checking more than starting power. The battery must also fit your car’s tray, terminals, and electrical system.
For a commonly specified Group 35 replacement, the OPTIMA RedTop 35 is my top performance pick, with 720 cold cranking amps (CCA) and a maintenance-free AGM design. The Mighty Max MM-G35 offers 650 CCA and a 100-minute reserve capacity at a lower price tier.
I compared battery group sizes, manufacturer specifications, starting power, reserve capacity, and fitment concerns. Some 2016 Altima replacement catalogs also list Group 26R, so confirm your existing battery before ordering.
2016 Nissan Altima Batteries Compared
The most useful comparison starts with battery group size. Group 35 is a commonly listed replacement for the 2016 Altima, while Group 47/H5 requires extra fitment checks. All three products below use AGM technology, but that does not make their physical sizes interchangeable.
| Product | Best for | Group size | Starting power | Reserve capacity |
|---|---|---|---|---|
Premium | Best overall | 35 | 720 CCA | 90 minutes |
Budget | Best value | 35 | 650 CCA | 100 minutes |
| Alternative: confirmed Group 47 applications | 47 / H5 | 680 CCA | 100 minutes |
| OPTIMA RedTop Sealed AGM Starting Battery (720 CCA) | Best High Performance | Type: Sealed AGM Starting Battery | Voltage: 12-Volt | Maintenance: Maintenance Free | VIEW LATEST PRICE | Read Our Analysis | |
| Mighty Max Battery MM-G35 Rechargeable AGM Car Battery |  | Best Value | Type: Rechargeable AGM Car Battery | Voltage: 12-Volt | Maintenance: Rechargeable | VIEW LATEST PRICE | Read Our Analysis |
| Weize Platinum AGM Battery Group 47 (60Ah) | Best for Cold Weather | Type: AGM Automotive Battery | Voltage: 12-Volt | Maintenance: Low Maintenance | VIEW LATEST PRICE | Read Our Analysis |
More Details on Our Top Picks
OPTIMA RedTop Sealed AGM Starting Battery (720 CCA)
Best overallBottom line: The OPTIMA RedTop 35 is a strong premium starting-battery choice if your 2016 Altima takes a Group 35 battery. Its 720 CCA rating gives it the highest starting-power rating among the products compared here.
- Battery type: AGM, sealed and maintenance-free.
- Group size: 35, a commonly listed Altima replacement size.
- Cold cranking amps: 720 CCA, for strong cold-weather starts.
- Reserve capacity: 90 minutes, measured under a standardized load.
- Dimensions: 9.38 × 6.75 × 7.69 inches.
If you’re looking for a reliable battery for your 2016 Nissan Altima, the OPTIMA RedTop Sealed AGM Starting Battery is a standout choice, especially with its impressive 720 cold cranking amps (CCA). This 12-volt battery features SpiralCell Technology, utilizing 99.99% pure lead for superior starting power, even in harsh weather. It’s maintenance-free and offers versatile mounting options, making installation a breeze. Weighing just 31.7 pounds, it’s designed for durability with 15 times more vibration resistance than standard flooded batteries. Plus, it’s leak-proof and safe for the environment, ensuring peace of mind during your journeys.
- Type:Sealed AGM Starting Battery
- Voltage:12-Volt
- Maintenance:Maintenance Free
- Dimensions:9.38 x 6.75 x 7.69 inches
- Cold Cranking Amps:720 CCA
- Warranty:30-Day Return Guarantee
- Additional Feature:SpiralCell Technology design
- Additional Feature:15x vibration resistance
- Additional Feature:Leak-proof and non-spillable
The RedTop is designed mainly for engine starting, not repeated deep discharges. That makes it better suited to ordinary driving than to an Altima with heavy aftermarket electrical equipment that runs extensively while parked.
Warranty clarification: A retailer return window is not the same as a manufacturer warranty. Retail listings for the Group 35 RedTop identify a three-year limited warranty; confirm the terms offered by your seller.
Pros- 720 CCA for strong starting power
- Group 35 size suits commonly listed Altima applications
- Sealed AGM construction requires no water top-ups
- SpiralCell design provides vibration resistance
Cons- Premium price tier
- Lower reserve capacity than the other batteries listed
- Not designed for frequent deep cycling
Best for: Drivers wanting high starting power in a Group 35 AGM battery.Skip it if: You need the lowest-cost replacement or regularly run high-power accessories with the engine off.Check first: Confirm Group 35 fitment, terminal location, hold-down compatibility, and seller warranty terms.See today’s price, delivery date and return policy on Amazon.Mighty Max Battery MM-G35 Rechargeable AGM Car Battery
Best valueBottom line: The Mighty Max MM-G35 offers a practical balance of starting power, reserve capacity, and value. Its Group 35 AGM design makes it worth considering if that battery size matches your Altima.
- Battery type: AGM, sealed and maintenance-free.
- Group size: 35, suitable for confirmed Group 35 applications.
- Cold cranking amps: 650 CCA, for dependable starting power.
- Reserve capacity: 100 minutes, for additional electrical reserve.
- Dimensions: 9.06 × 6.89 × 8.82 inches.
The Mighty Max Battery MM-G35 Rechargeable AGM Car Battery stands out as the best choice for your 2016 Nissan Altima, thanks to its impressive 650 cold cranking amps (CCA) that guarantee reliable starts in any weather condition. With a 100-minute reserve capacity, you’ll enjoy longer run times and enhanced battery lifespan. Its rugged, sealed AGM design resists shock and vibration, ensuring consistent performance across various temperatures. Plus, installation is straightforward with versatile mounting options. With a 3-year warranty, you can trust in its quality and safety, as it meets CE standards and is built in an ISO-certified facility.
- Type:Rechargeable AGM Car Battery
- Voltage:12-Volt
- Maintenance:Rechargeable
- Dimensions:9.06 x 6.89 x 8.82 inches
- Cold Cranking Amps:650 CCA
- Warranty:3-Year Warranty
- Additional Feature:Rugged construction durability
- Additional Feature:Fast starting power
- Additional Feature:3-year warranty protection
The 55Ah capacity and 100-minute reserve capacity give this battery useful electrical endurance. Its sealed design also makes routine upkeep simpler than with a conventional serviceable battery.
The main trade-off is starting power. At 650 CCA, the MM-G35 carries a lower rating than the OPTIMA RedTop. However, 650 CCA is a common rating for Group 35 AGM replacement batteries.
Pros- 650 CCA for everyday starting needs
- 100-minute reserve capacity
- Sealed AGM construction
- Manufacturer lists a three-year warranty
Cons- Lower CCA rating than the OPTIMA RedTop
- Its 8.82-inch height requires a clearance check
- AGM charging requirements must be followed
Best for: Altima owners seeking a lower-cost Group 35 AGM option with strong reserve capacity.Skip it if: Maximum cold cranking power matters more to you than price.Check first: Battery height, terminal position, original group size, and the manufacturer’s warranty conditions.See today’s price, delivery date and return policy on Amazon.Weize Platinum AGM Battery Group 47 (60Ah)
Alternative: Group 47 applicationsBottom line: The Weize Platinum AGM Group 47 is an H5 battery, not a standard Group 35 replacement. It makes more sense for vehicles specifically requiring Group 47. Do not assume it fits your 2016 Altima because the voltage or CCA rating looks suitable.
- Battery type: AGM, sealed and maintenance-free.
- Group size: 47 / H5, requiring separate fitment verification.
- Cold cranking amps: 680 CCA, for cold-weather starting.
- Reserve capacity: 100 minutes.
- Dimensions: 9.53 × 6.89 × 7.48 inches.
Designed for drivers who demand reliability and performance, the Weize Platinum AGM Battery Group 47 (60Ah) stands out as the top choice for your 2016 Nissan Altima. With a powerful 680 cold cranking amps, it guarantees your vehicle starts effortlessly, even in frigid temperatures. Its impressive cycle life doubles that of conventional batteries, providing consistent power and faster recharging. This battery’s compact dimensions and leak-proof design make installation easy. Plus, its robust construction resists internal corrosion and vibrations, ideal for today’s vehicles with advanced electrical systems. Enjoy peace of mind with a 36-month warranty and responsive customer support.
- Type:AGM Automotive Battery
- Voltage:12-Volt
- Maintenance:Low Maintenance
- Dimensions:9.52 x 6.89 x 7.48 inches
- Cold Cranking Amps:680 CCA
- Warranty:36 Months Warranty
- Additional Feature:Superior cold weather performance
- Additional Feature:Cycle life up to 2x
- Additional Feature:Low self-discharge rate
Weize specifies a 60Ah capacity, 680 CCA, and a 100-minute reserve capacity for this battery. Those are useful specifications for an AGM starting battery, but they do not establish vehicle compatibility.
Compared with Group 35, the H5 case has different dimensions and mounting characteristics. Confirm the tray, hold-down, terminal orientation, cable reach, and hood clearance before using a different battery group.
Pros- 680 CCA starting-power rating
- 60Ah rated capacity
- 100-minute reserve capacity
- Sealed AGM construction
Cons- Not a Group 35 battery
- Direct 2016 Altima fitment is unconfirmed
- Different case and hold-down requirements may prevent installation
Best for: Vehicles whose manufacturer or fitment catalog specifically calls for Group 47/H5.Skip it if: Your Altima requires Group 35 or Group 26R and you have no verified Group 47 fitment approval.Check first: Confirm group size, hold-down design, terminal polarity, tray dimensions, and clearance with a vehicle-specific fitment source.See today’s price, delivery date and return policy on Amazon.
OPTIMA RedTop 35 vs Mighty Max MM-G35: Is the Upgrade Worth It?
The OPTIMA RedTop offers higher rated starting power, while the Mighty Max provides more reserve capacity at a lower price tier. Both are Group 35 AGM batteries, so your choice depends on which benefit matters more after confirming fitment.
- Starting power: OPTIMA delivers 720 CCA compared with Mighty Max’s 650 CCA.
- Reserve capacity: Mighty Max provides 100 minutes compared with OPTIMA’s 90 minutes.
- Battery weight: OPTIMA weighs approximately 31.7 pounds; Mighty Max weighs approximately 38.1 pounds.
- Value: Mighty Max is the lower-price-tier option, while OPTIMA emphasizes starting performance and vibration resistance.
Which Battery Should You Buy for a 2016 Nissan Altima?
Start with your car’s required battery group, not the brand. Once you confirm fitment, use CCA, reserve capacity, and cost to decide which replacement makes sense.
- Strongest rated starts: Choose the OPTIMA RedTop 35 for its 720 CCA rating.
- Lower-cost Group 35 AGM: Choose the Mighty Max MM-G35.
- Higher reserve capacity among the direct-fit candidates: Mighty Max offers 100 minutes compared with OPTIMA’s 90 minutes.
- Different battery group: Consider the Weize Platinum AGM Group 47 only for a confirmed Group 47 application.
- Original battery is Group 26R: Choose a vehicle-approved replacement rather than assuming one of these Group 35 products is interchangeable.
How We Chose
I focused on published specifications and the requirements that determine whether a battery is a sensible replacement. These selections are based on product research, not hands-on testing.
- Vehicle fitment: Compared commonly listed 2016 Altima battery sizes using 2016 Nissan Altima replacement-battery listings.
- Starting power: Compared CCA ratings for cold-weather starting needs.
- Electrical reserve: Compared reserve capacity and amp-hour specifications where available.
- Construction and warranty: Checked manufacturer information from OPTIMA, Mighty Max, and Weize.
- Compatibility and safety: Prioritized appropriate group size, secure mounting, terminal orientation, and safe replacement procedures.
Factors to Consider When Choosing a Battery for a 2016 Nissan Altima
The right battery needs enough electrical power and a secure physical fit. A high CCA rating or longer warranty cannot make up for incorrect dimensions or terminal placement.
Battery Type Selection
For your 2016 Nissan Altima, conventional flooded lead-acid and AGM batteries may both be suitable, depending on the original specification and the replacement selected. AGM stands for absorbent glass mat. It holds electrolyte within glass-fiber separators rather than leaving it freely circulating inside the case.
AGM batteries are sealed, resist spills, and generally do not require water top-ups. They can offer good vibration resistance, but you should still check whether the battery matches your vehicle’s charging system and installation requirements.
The Mighty Max MM-G35 is a Group 35 AGM option, while the OPTIMA RedTop 35 is designed primarily for strong engine starts.
Cold Cranking Amps
Cold cranking amps measure how much current a fully charged battery can deliver at 0°F (-18°C) for 30 seconds while maintaining the specified minimum voltage. Higher CCA can help during very cold starts, but it does not prove that a battery will fit your car.
In this comparison, OPTIMA provides 720 CCA, Mighty Max provides 650 CCA, and Weize Group 47 provides 680 CCA. All three have meaningful starting-power ratings, but the correct vehicle group size remains the first requirement.
For most drivers, a battery that meets the vehicle’s specified CCA requirement and fits correctly is more useful than buying the highest CCA rating without checking compatibility.
Reserve Capacity Importance
Reserve capacity, or RC, measures how long a battery can supply a standardized 25-amp load at 80°F (26.7°C) before its voltage falls to 10.5 volts. It helps compare how much electrical backup a battery can provide if the charging system stops supplying power.
Mighty Max MM-G35 has a stated 100-minute reserve capacity, while OPTIMA RedTop 35 has 90 minutes. That makes Mighty Max the stronger choice on this single specification.
However, reserve capacity does not mean you should leave the radio, lights, or other accessories running until the battery is deeply discharged. Repeated deep discharge can shorten the life of a starting battery.
Dimensions and Compatibility
Battery dimensions and terminal positions determine whether a replacement fits safely in the tray. Replacement catalogs commonly show Group 35 for the 2016 Altima, and some also list Group 26R. You should verify the configuration already installed in your particular car.
The batteries compared here have different outside measurements:
- OPTIMA RedTop 35: 9.38 × 6.75 × 7.69 inches.
- Mighty Max MM-G35: 9.06 × 6.89 × 8.82 inches.
- Weize Group 47/H5: 9.53 × 6.89 × 7.48 inches.
Even batteries with similar lengths and widths can differ in height, terminal position, and hold-down design. The Weize H5 should not be treated as a direct replacement without fitment confirmation.
Check that the positive cable reaches the positive post without stretching and that the hold-down clamps the battery securely. There must also be enough clearance above the terminals.
Maintenance Requirements
Sealed AGM batteries simplify routine maintenance because you do not need to add distilled water. However, maintenance-free does not mean inspection-free.
Check for loose terminals, corrosion, damaged cables, or movement in the battery tray. Keep the case clean and make sure the battery remains firmly secured.
If your Altima repeatedly develops a discharged battery, have the charging system and any abnormal electrical drain checked. Replacing a healthy battery may not solve an alternator or wiring problem.
Installation Process Considerations
Installing a 2016 Nissan Altima starting battery requires basic hand tools, protective equipment, and care around the electrical terminals. Unlike replacing a key-fob coin cell, you will be working with the car’s main 12V electrical system.
- Turn off the engine: Switch off all electrical accessories and remove the key or keep the Intelligent Key away from the vehicle.
- Wear protection: Use safety glasses and suitable gloves. Keep metal tools away from exposed positive terminals and grounded metal.
- Disconnect the negative cable first: Loosen the negative terminal and move the cable away from the battery.
- Disconnect the positive cable: Remove its protective cover when fitted and loosen the clamp carefully.
- Remove the hold-down: Release the battery frame or bracket and lift the old battery upright.
- Install the replacement: Seat the correct-size battery securely in the tray and reinstall the hold-down.
- Reconnect positive first: Tighten the positive connection, then connect the negative cable.
- Check operation: Confirm the terminals are secure, the battery cannot move, and the vehicle starts normally.
After disconnecting the battery, some vehicle settings may need to be restored or initialized. If you are unfamiliar with battery replacement, a qualified technician can install and test the battery.
Mistakes to Avoid When Buying a Car Battery
- Buying by CCA alone: Verify group size and terminal position before comparing starting ratings.
- Ignoring battery height: Check hood clearance and the hold-down system.
- Confusing returns with warranty: Read the manufacturer’s coverage separately from the seller’s return policy.
- Choosing the wrong battery purpose: A starting battery is not designed for frequent deep cycling.
- Replacing without testing: Have an old battery and the charging system checked if the cause of the starting problem is uncertain.
FAQs
What Is the Average Lifespan of a Car Battery?
A car starting battery typically lasts about three to five years, although actual service life varies. High temperatures, frequent short trips, deep discharges, and charging-system problems can shorten its life. Routine inspections and battery testing help you recognize deterioration before the car fails to start.
How Do I Know When to Replace My Car Battery?
Common warning signs include slower cranking, repeated jump-starts, and electrical problems during startup. However, these symptoms can also come from bad connections or charging-system faults. Have the battery load-tested and the alternator checked before replacing parts without a clear diagnosis.
Can I Use a Larger Battery Than Recommended?
A larger-capacity battery can sometimes work if its physical dimensions, terminal placement, voltage, and mounting arrangement are compatible. But a different BCI group does not automatically fit. Never force a battery into the tray or modify electrical connections without an approved installation method.
What Tools Do I Need to Install a New Battery?
You generally need appropriate wrenches or sockets, safety glasses, protective gloves, and a terminal-cleaning tool if corrosion is present. A battery tester or multimeter can help diagnose electrical problems. The tools needed for the battery hold-down may vary, so inspect the existing installation before starting.
How Can I Recycle My Old Car Battery?
Take your old lead-acid battery to an automotive battery retailer or an authorized recycling facility. Many retailers accept used batteries when you purchase a replacement and may offer a refundable core charge. Transport the battery upright, protect its terminals, and avoid placing it in household trash.
What Battery Group Size Does a 2016 Nissan Altima Use?
Group 35 is a commonly specified replacement battery size for the 2016 Nissan Altima. Some fitment catalogs also identify Group 26R for certain applications. Check your existing battery label, vehicle configuration, and terminal layout before ordering, rather than assuming every trim uses the same size.
Does a 2016 Nissan Altima Need an AGM Battery?
A 2016 Nissan Altima does not universally require an AGM battery. A suitable conventional lead-acid replacement may also work when it meets the correct specifications. AGM can be a useful upgrade for drivers seeking sealed construction and vibration resistance, but group size and charging compatibility must still match.
Will Disconnecting the Battery Reset My Nissan Altima?
Disconnecting the battery can reset certain stored settings and vehicle electronics. Clock settings and some automatic features may require adjustment or initialization afterward. This is different from replacing the small battery inside the Intelligent Key. Consult the vehicle instructions or a qualified technician if a feature does not operate normally.
Final Verdict
For a 2016 Nissan Altima using Group 35, the OPTIMA RedTop 35 is my preferred performance option. Its 720 CCA rating makes it a strong choice for drivers prioritizing starting power. Just verify the fitment and electrical requirements before ordering.
If you prefer a lower-cost Group 35 AGM battery with more reserve capacity, consider the Mighty Max MM-G35. The best choice is the one that meets your Altima’s fitment specifications and gives you the starting power you need.
