3 Best Car Batteries for Hyundai Elantra in 2021

A car battery is the most vital unit in the vehicle. Your vehicle’s performance is greatly influenced by the type of battery you have installed under your hood. Therefore, in case your battery goes faulty, then you need an immediate replacement to ensure your car performs optimally.

In case you own a Hyundai Elantra, this is the article for you. Here, the best three replacement models for your sedan are discussed in detail. Modern vehicle models are equipped with many electrical appliances that need a constant power supply for their efficient functionality.

You, therefore, need to ensure that the battery you install in your vehicle can serve all your vehicle’s power needs. Upon carrying out in-depth research, several battery models were found. Using expertise and other important aspects, here are the three picks that made it to the list.

  1. OPTIMA Yellow Top Battery (Group Size H6)
  2. DieHard Platinum AGM Battery (Group Size H6)
  3. OPTIMA Red Top Battery (Group Size 25)

In case you have been looking for a good replacement battery for your Hyundai Elantra, go easy because your search has come to an end. The models stated above will ensure that your vehicle immediately starts when you need it and serve you for an extended period. But, before purchasing any battery model, ensure it satisfies all the manufacturer’s needs.

Top 3 Best Car Batteries for Hyundai Elantra Reviews

When shopping for a replacement battery for your Hyundai Elantra, it is quite a challenge because the market has many models. This isn’t very clear to most first-timers who are looking for a great unit.

The practice should not stress you because I’ve made work easier for you. Products reviewed in this article were picked under the consideration of output, efficiency, durability and price. Without delay, here is a detailed description of each product.

1. OPTIMA Yellow Top Battery (Group Size H6)

Assuming that your Hyundai Elantra needs a new battery, then you need to find a battery that will offer you massive starting power immediately when you switch on your vehicle. Therefore, the Optima Yellow top is the option you need to go for.

This battery is incredibly designed to ensure your vehicle’s performance remains unsurpassed because of the ultimate power it provides. Despite being a better starting battery, it is also among those batteries that can be used for dual purposes.

Apart from having massive starting power, the battery boasts great cycling abilities, thus making it a good storm for use in trucks, heavy equipment and vehicles fitted with many electrical appliances that render the vehicle power-hungry.


  • The battery weighs 54 lbs
  • It has a total reserve capacity of 140 minutes
  • The battery’s dimensions are 11 x 7.5 x 7. Inches
  • It has a voltage of 12 VDC
  • It has a capacity of 72 Ah
  • It’s CCA is 800
  • It has a three years warranty

The battery is designed to ensure there is low internal resistance; thus, the reason why the battery can provide consistent power and recharge within a short period.

The battery is designed with the spiral cell technology, which involves a series of wounds that are made from pure lead. However, these lead electrodes have a precise coating of lead oxide to make both the anode and cathode.

When compared to the traditional flat plate batteries, the spiral winding is unique and advanced to ensure precision and give control in the building process. To ensure the battery remains of great quality and ensure the battery remains tolerant, winding machines are used to maintain all these aspects of performance.

Through the unique manufacturing design, the battery is tolerant of adverse weather conditions and necessary monitoring is done to the unit. The battery is designed to be three times long-lasting than the traditional batteries.

Because of the AGM design, the battery needs minimum or almost no maintenance practices thus reducing the maintenance burden. It is also resistant to shocks caused during hard brakes or driving in uneven terrain.

You can also mount this battery almost in all positions since it is spill proof. The battery also takes a limited time to get full of juice once you start charging it.


  • The battery has amazing starting power
  • The battery can be mounted almost in all positions
  • The battery needs no maintenance practices
  • It is durable
  • It has a fast recharge rate
  • Built with incredible RC of 140 minutes
  • It is a dual-purpose battery
  • Has a reasonable warranty


  • The battery is relatively heavy

2. Diehard Platinum AGM Battery (Group Size H6)

This battery is specifically designed to ensure your Hyundai Elantra is supplied with the necessary power needed to run all the onboard appliances and also maintain the vehicle’s maximum performance.

Because of their design, they are two times more durable compared to the flooded batteries. The storm is also a perfect fit for all vehicles that operate by use of the start-stop technology and are equipped with appliances that are power demanding.


  • Designed with Stamped Grid Technology
  • It weighs 45.6 lbs
  • It has a reserve capacity of 120 minutes
  • Its CCA is 760
  • The battery capacity is 70 Ah
  • It has a voltage of 12 VDC
  • The dimensions measure 11 x 6.9 x 7.5 inches
  • It has a three years warranty

By use of the Stamped Grid Technology, this battery is designed with robust and durable anodes and cathodes. This ensures your vehicle is offered incredible starting power, thus ensuring consistency. Also, the technology ensures that premature failure is virtually eliminated.

Apart from being an outstanding battery in matters concerning starting power, the battery is a perfect unit since it’s designed with incredible reserve capacity using the AGM technology. This design also renders the battery durable and maintenance-free. The non-spillable design allows you to install the battery in almost all positions.

The battery works perfectly even after exposure to extreme weather conditions, including the ability to provide massive cranking power even after exposure to extremely shallow temperatures. The battery is made of a strong casing that allows no shocking damages when compared to standard batteries.

The battery is also a corrosion-free unit, and by use of the stamped grid tech, the battery releases small amounts of greenhouse gases when compared to other manufacturing techniques.


  • Has high-level vibration resistance
  • Works efficiently even when exposed to adverse weather conditions
  • Perfect for vehicles with many onboard accessories
  • Can be installed in almost all positions
  • The battery is maintenance-free
  • It is resistant to corrosion
  • The battery does not allow leakages
  • It has massive starting power and incredible RC
  • The battery has a long service life


  • It is relatively heavy
  • Its price is relatively high

3. OPTIMA Red Top Battery (Group Size 25)

In case your vehicle shows difficulties in operation, probably your vehicle needs a replacement battery. Therefore, consider this battery to ensure your vehicle works effectively, thus offering you incredible driving experience.

The battery is designed with AGM technology to ensure a strong burst of cranking power is offered to your vehicle for an incredible starting experience. Since most batteries fail because of high internal resistance, the battery is designed to keep the resistance low, ensuring that you are never disappointed when you need to get your car started.


  • The product weighs 33.1 lbs
  • The product dimensions are 9.3 x 6.8 x 7.7 inches
  • It has a capacity of 44 Ah
  • It has a CCA of 720
  • It has a reserve capacity of 90 minutes
  • Made of AGM design
  • Has a warranty for thirty-six months

The red top battery is a perfect unit for your Hyundai Elantra because it is designed for normal engine starting where an alternator is fitted to ensure the charge is monitored while providing the necessary starting power needed by your vehicle.

Similarly, the battery can be used in an alley of vehicle models and also in other appliances. For instance, you can use it in an RV, and other heavy-duty equipment that needs an awesome battery for starting purposes.

The battery is built by use of spiracell technology where spiral wounds are fit into the battery casing and inclusion of pure lead plates ensure the battery produces more power than the conventional batteries.

The battery has an extended shelf life when compared to flooded batteries. It also has a strong casing which ensures the battery’s components are not damaged in the event of shock like when negotiating sharp corners or driving in rough terrain.

The battery is completely sealed, which means the electrolyte cannot spill. On the other hand, the AGM design ensures the battery is completely intact, thus allowing for installation in all positions. This battery is highly convenient since it is maintenance-free and recharges at a faster rate.

Once you have this battery installed in your hood, be assured of reliable starting power at all times.


  • The battery has a fast recharge rate
  • It has an extended service life
  • Reduces the maintenance costs
  • Offers maximum starting power


  • Lead components used in constructing the battery are possible sources of cancer

Wrap Up

For any vehicle to work efficiently, the installation of a good working battery is the first choice. This article has discussed the best three replacement car batteries for your Hyundai Elantra, thus making it easy for you when shopping for a replacement battery. I hope you found this article helpful. Thank you!