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Best Group 35 Battery Reviews & Buying Guide 2024

Group 35 batteries, known for their durability and reserve capacity, are utilized across various vehicle types. In compact cars, these batteries ensure reliable power for daily commuting needs, offering a consistent performance that drivers rely on. They’re popular among SUV owners seeking a robust power source for their larger vehicles, providing enough backup energy for various onboard systems. Additionally, light truck drivers value Group 35 batteries for their durability and ability to sustain power during demanding tasks, crucial for their work or recreational activities. Whether it’s for daily commuting, powering larger vehicles, or handling demanding tasks, these batteries cater to individuals seeking reliable performance and durability across different vehicle types.

  • Durability: Group 35 batteries are engineered to withstand the rigors of everyday driving, including extreme temperatures, vibrations, and harsh weather conditions. Their robust construction and high-quality materials ensure long-lasting performance, even under demanding conditions. For instance, a durable Group 35 battery can handle the constant starts and stops of city driving without compromising its performance over time.
  • Reserve Capacity: Reserve capacity (RC) measures a battery’s ability to provide power when the vehicle’s electrical system fails. It indicates how long the battery can run essential electrical components, such as lights, radio, and windshield wipers, in the event of an alternator malfunction. A Group 35 battery for Compact cars, mid-size sedans, and SUVs share a typical Reserve Capacity (RC) of 100 to 120 minutes, providing sufficient backup power. Light trucks follow suit with an RC range of 70 to 90 minutes. Agricultural tractors and ATVs offer slightly lower RC, ranging between 50 to 80 and 50 to 70 minutes, respectively.
  • Service Life: Service life refers to the expected lifespan of a battery under normal operating conditions. Group 35 batteries generally offer an impressive service life of 5-7 years, making them a worthwhile investment for vehicle owners. Factors such as driving habits, maintenance practices, and climate conditions can influence the actual service life of a battery. Compact cars, mid-size sedans, and SUVs typically endure 5 to 7 years before needing battery replacements. Light trucks follow closely, with a lifespan of 4 to 5 years. Agricultural tractors and ATVs generally last between 3 to 5 years and 3 to 4 years, respectively.

These three features durability, reserve capacity, and service life characterize the excellence of Group 35 batteries. Their robust build ensures reliability, while reserve capacity and extended service life underscore their efficiency, providing a dependable power source. Understanding these defining traits guides you in selecting the ideal battery matching your vehicle’s needs, environmental conditions, and longevity expectations for a consistent and lasting power supply. Explore our comprehensive “Buying Guide” to find the perfect Group 35 battery tailored to your vehicle’s specific needs.

Best Group 35 Battery List

Group 35 BatteryVoltageGroup SizeWarrantyBuy Now
Optima Group 35 Battery12 volts353 yearsCheck On Amazon
ML Group 35 Battery12 volts351 yearCheck On Amazon
Optima Group 35 Battery12 volts353 yearsCheck On Amazon
VMAX857 Group 35 Battery12 volts351 yearCheck On Amazon

Best Group 35 Battery Reviews

1. Optima Group 35 Battery

Optima Batteries 8020-164 35 RedTop Starting Battery

Optima is one of the brands that is highly preferred for car batteries for its reliable quality and performance, Therefore, we are including a couple of choices from Optima on our picks.

In the 2nd position, we have the Optima Batteries 8020-164 35. It is one of the most reliable groups 35 batteries coming from Optima and a current choice of more than thousands of users. It is a standard 12 volts battery that offers 720 cold-cranking amps. Thus, it is definitely an ideal choice for long-distance trips and touring. The battery measures 9.38 x 7.69 x 6.75 inches in size and weighs 31.7 lbs.

Furthermore, the reliability of this battery can be concluded by checking its reserve capacity. Optima is promising nearly 90 minutes of reserve capacity that shall give you enough time to seek help in case of emergencies. And with the high cold-cranking amps, it will provide optimal power output even in worse weather conditions. The outer shell of Optima Batteries 8020-164 35 is made up of polypropylene and thus, offers nearly 15 times extra resistance from vibrations. The Optima Batteries 8020-164 35 comes with 3 years of warranty from Optima.

Best Features

  • Highly reliable group 35 car battery
  • 38 x 7.69 x 6.75 inches in size
  • 90 minutes of reserve capacity
  • 12 volts battery
  • Weighs 31.7 lbs
  • 3 years warranty


  • Long warranty period
  • Cold-cranking amps rating is high
  • Durable build quality


  • Large and heavy car battery

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2. ML Group 35 Battery

ML Group 35 BatteryML35-12 – 12V 35AH U1 Deep Cycle AGM Solar Battery, a reliable and powerful deep cycle battery designed for quite a few programs. This battery has an excessive capability of 35Ah and a long provider existence of up to a few-five years in glide mode.

The ML35-12 has a deep cycle layout, permitting it to be discharged and recharged time and again without harm. The most discharge depth is 50%, and the battery can be recharged with a general fee modern of 3.5A, taking about 10 hours to absolutely recharge.

This battery is good for off-grid solar electricity structures, RVs, golf carts, and extra, with a most energy output of 420W. The ML35-12 is sponsored via a 30-day return policy, in addition to a 1-year replacement guarantee and a three-12 months carrier guarantee.

In summary, the Battery is an excellent and reliable choice for all and sundry in want of a deep cycle battery. With its lengthy provider lifestyles, deep cycle layout, and impressive strength output, this battery is certain to satisfy your needs.

Best Features

  • High-capacity 35Ah battery with a long service life of up to 3-5 years.
  • Deep cycle design for repeated discharge and recharge without damage.
  • Ideal for off-grid solar power systems, RVs, and golf carts with a maximum output of 420W.
  • Backed by a 30-day return policy and 1-year replacement warranty.


  • High-capacity battery with a long service life
  • Deep cycle design allows for repeated discharge and recharge
  • Ideal for off-grid solar power systems, RVs, and golf carts


  • Relatively low maximum discharge depth of 50%
  • Longer recharge time of approximately 10 hours.

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3. Optima Group 35 Battery

Optima Batteries OPT8040-218 D35 YellowTop Dual Purpose Battery

In the 3rd place, we will feature yet another group 35 battery from Optima. It is also similarly high powered and reliable as our other pick from Optima.

In the end, we have the Optima OPT8040-218 grouped 35 battery. This is a yellow top dual-purpose battery that is rated with 12 volts and offers a 650 cold-cranking amps rating. This is great considering the fact that the battery only measures 9.31 x 8.1 x 7.6 inches in size. Also, it is lighter than other batteries weighing 36.4 lbs. The theoretical discharge cycles promised by Optima are around 300. But, you can definitely get a higher number with proper maintenance.

The group 35 batteries made by optima are especially reliable considering they have a long reserve capacity. The Optima OPT8040-218 is also a good example of that as it has up to 98 minutes of reserve capacity. Therefore you can trust the battery to provide you optimal power output even when the weather is challenging. Similar to our previous pick from Optima, it is also made with durable material to provide 15 times as much vibration resistance as a regular battery. The warranty period is also 3 years long on the Optima Batteries OPT8040-218.

Best Features

  • Highly reliable group 35 car battery
  • 31 x 8.1 x 7.6 inches in size
  • 90 minutes reserve capacity
  • 12 volts battery
  • Weighs 36.4 lbs
  • 3 years warranty


  • Long warranty period
  • Long reserve capacity
  • Great for cold weathers


  • Premium choice for group 35 car battery

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4. VMAX857 Group 35 Battery

VMAX857 AGM Battery 12 Volt 35AH

VMAXTANKS is a comparatively affordable brand than other choices present here. Their car batteries are known for being cheap and reliable, including this one.

If you have been looking for a cheaper variant for a group 35 car battery, stop right here. The VMAX857 AGM Battery will be the perfect choice for your car under an affordable budget. In terms of size, it measures 7.7 x 5 x 6.1 inches which makes it pretty compact for the given power. It has a 35 AH power capacity and a nominal voltage of 12 volts. As this battery is compact, it weighs only 25 lbs which is not much considering it’s a group 35 car battery.

The charging current available on the VMAX857 AGM Battery is between 3 to 15 ampere where the float voltage ranges from 13.5 to 13.8 volts. In terms of charging, it supports branded AGM chargers which should be easy to come by if you happen to charge the battery yourself. Along with cars, the VMAX857 AGM Battery is also a great choice for boats that require a high power battery. It comes with a year of warranty from VMAXTANKS.

Best Features

  • Most affordable group 35 car battery
  • 7 x 5 x 6.1 inches in size
  • 35 AH power capacity
  • 12 volts battery
  • Weighs 25 lbs
  • 1-year warranty


  • Supports all branded AGM chargers
  • Decent capacity for the price
  • 3 to 15-ampere charging current


  • Cold-cranking amps rating is not provided

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Buying Guide For The Best Group 35 Battery

In case you haven’t noticed yet, all group 35 batteries present on our guide today are quite popular options and already serving thousands of users. Therefore, you are good to go with any of the options present in our guide today. Although, we will still recommend you to check basic features such as size, compatibility, and warranty before creating an order.

If you are not sure what to look for in a group 35 battery, kindly go through our buying guide for the best group 35 battery given here. In this buying guide, we will discuss the repeated parameters of a group 35 battery that is common amongst all these options. Once you understand these options, you can easily choose the perfect option regarding your usage and necessities.

1. Dimensions

The first thing that you should consider before buying a group 35 battery is whether the battery is going to fit in your car or not. Even if the battery offers you great reserve capacity or cold-cranking amps under an affordable range, it would be of no use to you if it is not compatible with your car.

Generally, battery manufacturers would suggest a  list of compatible vehicles with the product. But you should still double-check the dimensions of the battery before deciding to purchase it. You can then simply compare the dimensions with the available space in your trunk and make sure that there is proper clearance available between the battery and other internal parts of your car.

2. Cold Cranking Amps

The cold-cranking amps might not be a new term for you if you have purchased a heavy-duty battery before. You will find the cold-cranking amps mentioned with each of the group 35 batteries that you see here. If you are not aware, the cold cranking amps simply tell you about the capability of the battery to perform in cold weather. If you live in a considerably colder region, it would be better to get a battery that has a higher cold cranking amps rating. With higher CCA, you will not face any trouble starting your car in the morning.

3. Total Reserve Capacity

A car battery usually causes failure if it is completely depleted which stops your engine and ultimately causes a car breakdown. It can happen at any point irrespective of where you are and the external factors.

To avoid that, you should get a car battery that has a higher reserve capacity available. If your car battery fails, you can rely on the reserve capacity to keep your vehicle running until you find a workstation. This way, you can get a comparatively reliable car battery that will not fail any time in the near future.

4. Reliability

The reliability of a group 35 car battery is dependent upon various factors. Most importantly, it depends upon your usage and the conditions it is subjected to while in use. The reliability can decrease drastically if proper maintenance is not carried out. Furthermore, your car battery might also be subjected to a harsh environment which may cause an early failure.

But you can avoid that by getting a battery that comes with a longer warranty period. It will simply save you the trouble of repairing or replacing the battery from your own expenses. The warranty period should cover the internal damage of the battery and make you eligible for a free repair or replacements service.

5. Age

One important factor that most buyers seem to miss out on is the age of the battery. In simpler words, it is the gap between the date of manufacture of the group 35 car battery and your date of purchase. Naturally, newer batteries are bound to perform better than older ones. Any battery that has been manufactured within the last 6 months of your purchase will be an ideal choice. But, to identify the manufacturing time of the battery, you will have to check the alphanumeric code provided with the battery. There are letters ranging from A to L that represent the months in order coupled with numbers ranging between 0 to 9 which represent the year of manufacture.

Group 35 Battery – FAQs

1. How do I know if a Group 35 battery will fit my vehicle?

Ans: Check your vehicle’s owner’s manual or consult with the manufacturer to find the recommended battery size. Group 35 batteries are commonly used in various car makes and models.

2. Can I replace a Group 35 battery with a different size?

Ans: It’s crucial to stick to the recommended battery size for your vehicle. Using a different size may lead to improper fitment and electrical issues.

3. Are there any specific precautions for handling and installing a Group 35 battery?

Ans: When handling a battery, wear protective gear such as gloves and safety glasses. Ensure proper ventilation during installation to disperse any gases emitted by the battery. Follow the manufacturer’s guidelines for installation and maintenance.

4. Are there AGM (Absorbent Glass Mat) options available for Group 35 batteries?

Ans: Yes, many manufacturers offer AGM Group 35 batteries. AGM batteries are known for their maintenance-free operation, higher vibration resistance, and better performance in deep cycle applications.

5. Can a Group 35 battery be used in electric vehicles (EVs) or hybrid vehicles?

Ans: No, Group 35 batteries are not suitable for electric or hybrid vehicles, which typically require specialized high-voltage battery packs designed for the unique power demands of these vehicles.


Choosing a perfect group 35 battery is a very crucial matter. Not only because these batteries are costly, but also because the performance of your car depends upon it. A cheap or low-quality battery will definitely cause you a lot of trouble down the road and also fail quite frequently. To save you from that, we have given you the best group 35 batteries on this guide. In case you are not sure about which one to choose, check out the following recommendations based on various points of view.

  • If you are on a tight budget and cannot afford an expensive battery right now, going with the VMAX857 AGM Battery would be the right choice. It is a 12 volts battery with a 35 AH capacity. It is a lead-acid AGM battery and belongs to the U1 group.
  • As we mentioned before, reliability is a major factor for these batteries. Therefore, our next recommendation will be the Optima Batteries OPT8040-218 D35. Even though it is a premium battery, Optima offers a 3 year long warranty period on it. It is also a dual-purpose battery with nearly 98 minutes of reserve capacity.
  • Lastly, we will recommend getting yet another battery from Optima called Optima 8020-164 35. It has 12 volts voltage rating and comes with 720 cold-cranking amps. It is also similarly reliable as the previous Optima battery with up to 90 minutes of reserve capacity and 3 years warranty period.

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