🥇 7 Best Car Battery Reviews of 2021 [Tried & Tested]

There comes a time when you have to change your car battery. Though it happens twice or thrice in your vehicle’s lifetime that you would need to change your car batteries.

Be it you own a regular car or an SUV, when the time comes you would look for a car battery which is long-lasting or budget-friendly or best car battery for cold weather.

Top Pick

Optima Batteries 8004-003 34/78

Best Rated Car Battery

Ultimate starting battery that delivers strongest burst of ignition power. Designed with Spiral Cell technology. Maintenance free and it has 2X longer life. Ideal for reliable start-up every time.

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You don’t have to look anywhere else. Based on recommendations by existing customers and research by our team of experts, we have reviewed 7 top car battery of 2020 on the market today.

Best Car Batteries Comparisons

Optima Batteries 8002-002 34

Optima Batteries 8002-002 34

  • High Power Delivery
  • High Reserve Capacity
  • Optimal for Bad Weather
Odyssey PC680 Battery

Odyssey PC680 Battery

  • Non-Spillable AGM Design
  • Faster Recharge Capacity
  • Longer Cycle Life
Optima Batteries 8025-160 25

Optima Batteries 8025-160 25

  • 90 min Reserve Capacity
  • Leak Proof
  • Longer Shelf Life

Optima Batteries 8004 – Best Rated Car Battery

There are several brands on the market that manufacture superior-quality car batteries. But, Optima Batteries 8004-003 34/78 RedTop Starting Battery is currently the most trending and best-selling car battery on the market.

Optima Batteries has long been in the business and hence, it’s one of the most reliable brands. The RedTop Starting Battery is loaded with compelling features and ensures that you never face any trouble while travelling. Weighing 38.8 pounds, the battery comes with a reserve capacity of hundred minutes to offer consistent performance. The battery provides excellent durability and is 15-times more vibration-proof. It also offers a robust starting burst. The best thing about the RedTop Starting battery by Optima Batteries is that it recharges considerably quickly and is maintenance-free.

7 Best Car Battery 2021 

#1. Optima Batteries 8004-003 34/78: Best Long Lasting Car Battery

Best Car Battery

Key Features:

  • Weight: 38.8 lb
  • Dimension: 10″ x 6 7/8″ x 7 13/16″
  • CCA: 800 Amp
  • Post Type: Dual SAE/GM
  • C20 Capacity: 50 Ah
  • Voltage: 12 Volts
  • Internal Resistance: 0.003
  • CA: 1000 Amp

Optima Batteries 8004-003 34/78 RedTop Starting Battery is one of the most reliable and efficient batteries that you will find on the list.

The case material is made from Polypropylene and the battery has the strongest starting burst among all the batteries listed in this guide. With minor vibrations, the battery provides 3 times longer life. It offers a reserve capacity of 100 minutes at 25 Amps.

Even in the days when the weather plays a villain, the car offers optimal starting power. You can easily mount the battery in any position. The battery is virtually spill proof and providers customers with excellent performance.

#2. Odyssey PC680 Battery: Best Budget Option

Odyssey PC680

Key Features

  • Weight: 15.4 lbs
  • Length: 7.27
  • Width: 3.11
  • Height: 7.55
  • CCA: 170
  • Voltage: 12
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Odyssey PC680 Battery is one of the most trusted names when it comes to car batteries. With the use of latest technology, the company has created an extremely robust and durable battery.

The Odyssey PC680 car battery promises to offer a longer service life. You can easily use this battery for three to ten years – isn’t that simply incredible? As compared to the conventional deep cycle batteries, this particular battery offers a 70% longer life expectancy. It provides up to four hundred cycles at 80% depth of discharge.

It comes with faster recharge power. To derive a 100% efficiency from the battery, all you need to do is charge the battery for four to six hours in one go.  

The battery features a spill-resistant design and you can mount it in any position. Moreover, it is designed in a way that it creates very minor vibrations. The vibration-proof design offers the maximum amount of protection against mechanical vibration, as well as high-impact shocks and this enhances the shelf-life of the battery. It is also very temperature tolerant.

The company offers a limited two-year full replacement warranty to the users.

#3. Optima Batteries 8025-160 25 RedTop Starting Battery

Optima Batteries 8025-160 25

Key Features:

  • Weight: 31.7 lb
  • Length: 9.38 in
  • Width: 6.75 in
  • Height: 7.69 in
  • C20 Capacity: 44 Ah
  • Post Type: SAE Post
  • CCA: 720 Amp
  • Voltage: 12 Volts

Optima Batteries 8025-160 25 RedTop Starting Battery is another best-seller by Optima batteries. The car battery comes in Polypropylene casing and offers a robust performance. It offers a strong starting burst and three-time longer life.

With faster recharging power and excellent starting power, the battery features an internal resistance of 0.003. The battery offers optimal starting power in bad weather.

The battery is mountable in any position and requires no maintenance.  

#4. ACDelco ACDB24R Advantage AGM Automotive: Best for Cold Weather

ACDelco ACDB24R Advantage AGM Automotive

Key Features

  • Weight: 29.11 lbs.
  • Height: 7.599″
  • Width: 6.379″
  • Length: 6.379″
  • Cranking Amperage: 390
  • Reserve Capacity: 70
  • Amp Hour: 45

ACDelco ACDB24R Advantage Automotive BCI Group 51 Car Battery is made using maintenance-free AGM (absorbed glass mat) technology, this battery does not require water and is spill and leak proof. Also, it requires the least maintenance.

The use of a gas recombinant technology regulated by a valve offers up to thrice the life cycle of the normal auto batteries. It provides enhanced cranking amps, as well as reduced self-discharging rates for off-season storage.

The battery has full-frame power path grids. The leak-proof pressurized valve system ensures longer life and safety. The valve system also helps in preventing dry-out, as well as damage by acid to the terminals of the car battery.  

A high cycling service and excellent power for every pound are ensured by a high-density plate oxide.

#5. Optima 8040-218 D35 Yellow Top Dual Purpose Battery

 Optima 8040-218 D35

Key Features:

  • Weight: 36.4 lb
  • Length: 9.38 in
  • Width: 6.75 in
  • Height: 7.69 in
  • C20 Capacity: 48 Ah
  • CCA: 620 Amp
  • Post Type: SAE Post
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With deep-cycle and a high cranking power (CCA), this battery is one of the best batteries offered by Optima. It offers 98 minutes reserve capacity to offer a constant performance.

The battery is designed to be 15 times more resistant to vibration and this enhances the durability of the battery. It offers 3X longer life. It is spill-resistant. The design also enables easy installation of the battery.

It comes with a faster recharging speed. It provides 300 plus discharge/recharge cycles. The optimal starting power stays strong even when the weather is not favorable.

Undoubtedly, it is one of the best batteries in the list.

#6. ACDelco 47AGM Professional AGM Automotive BCI Group 47 Battery

ACDelco 47AGM

Key Features:

  • Weight: 39.5 lb
  • Length: 9.5″
  • Width: 6.9″
  • Height: 7.5″
  • Cold Cranking Amperage: 630
  • Terminal Type: Top Post
  • Cranking Amperage: 750
  • Amp Hour: 60
  • Reserve Capacity: 115
  • Voltage: 12V

With high cycling capacity, ACDelco 47AGM Professional AGM Automotive BCI Group 47 Battery offers exemplary performance. Manufactured using the Absorbed Glass Mat design, it offers an excellent starting power. The vent cap design of the battery makes it spill and leak proof. Future leaks are avoided by the presence of precision manufactured ribbed casing. This also contributes towards maintaining the strength and rigidity of the battery.

Talking about traditional vehicle applications, the battery promises to offer a longer shelf-life. The high-density negative paste enhances the life and also the performance of the battery.

Inflated life alloy/Silver Calcium stamped alloy enhances cycle life while further ensuring better performance.

The battery also features a strong Envelope Separators with a puncture-resistant back. This allows for a better acid circulation and keeps shorts at bay. Furthermore, the improvised acid circulation keeps the battery cool.

The battery offers a maintenance-free performance.

#7. DieHard 38188 Advanced Gold AGM Battery – Group 34R

DieHard 38188

Key features:

  • Weight: 44.5 lbs
  • Length: 10.8”
  • Width: 6.9”
  • Height: 8”
  • Cold Cranking Amperage: 775
  • RC: 120 minutes

DieHard 38188 Advanced Gold AGM Battery – Group 34R is another fine battery in the list. The battery is robust and offers a great starting bust. It provides better performance and longer life.

The design of the battery ensures 20 times more vibration protection and enhances the shelf-life by manifolds. Added protection is guaranteed by the spill-proof design of the battery.

The battery features a better electrolyte suspension system that absorbs more electrolytes and hence, protects the internal components.

Things you need to know about car batteries:

How to Choose the Right One?

Choosing the right car battery is not an easy task. Here’re a few factors that you must consider while purchasing a new car battery:

Check the Owner’s Manual

Before buying the battery, check the Owner’s Manual of your car. It will have all the necessary information regarding the basic parts of the car. Check the dimensions of the battery, the CA, the CCA rating, and the ampere-hour rating. Buy the battery that corresponds with the exact specifications mentioned in the manual. Don’t settle for anything that does not meet the specified criteria. Even if you do, the battery will give up in a few days’ time.

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Buy a battery with a moderate Ah Rating

The Amp Hour or AH of a battery defines the battery’s capacity. It is a measure of the amount of energy that can be stored in a car battery. You must never buy a battery with lower Ah rating as compared to your existing car battery. In case you end up buying a battery with the lower Ah rating, you will have to go through starting troubles. This will also affect battery life.

Also, you must refrain from buying a battery with higher Ah rating as it will cause slow charging, as well as the burden on the alternator.

Pick a battery with a higher CCA

Cold Crankings Amp or CCA of a battery is the rating used to define a car battery’s ability to start the engine in cold temperature. In other words, CCA refers to the number of amps a 12V battery can provide at zero-degree Fahrenheit for thirty seconds while preserving a voltage of at least 7.2 volts. If you live in an area where the temperature tends to drop, you must buy a battery with higher CCA. The higher the CCA of a car battery, the better will be the starting power of the battery.

Pay Attention to the Dimensions

Although most of the batteries come in standard dimensions, you must check if the battery fits accurately in your car. Also, make sure that you buy a battery with loops or handles, especially if you tend to maintain the car yourself.

Check the Manufacturing Date

A battery that has been bought within six months of manufacture is considered fresh and hence, you must confirm the manufacture date before buying the battery.

Keep the following things in mind regarding the manufacturing date of a car battery:

  • When you pick a battery from the wide-range of batteries on the market, make sure you check the date of manufacturing which will be printed on the battery. If you’re unable to find the printed date, you can check a code that is an alternative for the date of manufacturing.
  • A car battery bought within six months of manufacturing is considered as new.
  • Make sure you store your Warranty Card carefully in case the car battery malfunctions in the specified warranty period to try for a replacement.

Did you know – batteries lose their strength and effectiveness when stored for a longer duration. For optimum performance, pick a battery that has been on the shelf with not more than 6 months.

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