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7 Best AC Delco Batteries

AC Delco battery review
AC Delco battery review

Riding in your car is all about enjoying the comfort and luxury. From beating the heat with the AC to chilling listening to music, everything comforting in your car works on the car battery. It is the heart-beat of your car. Without the right one, your car can struggle. So, if you are having trouble with the heart-beat of your car, then check out our 7 best AC Delco batteries review.

7 Best AC Delco Batteries – Our Picks

1. AC Delco ACDB24R Group 51 Battery

General Motors is the most prominent player in the car equipment game. So, no doubt, they produce some of the most exceptional batteries, such as the AC Delco ACDB24R. You would love the batteries fitting. It fits under most cars hood.

But it is not the fitting that worries people the most. It is the spilling of liquid from it that keeps people up at night.

Why we love it?

An issue you can stop worrying about with the AC Delco ACDB24R Group 51 Battery

. Why so, you ask?

Because the AC Delco ACDB24R is an AGM battery, that is why. If you know anything about car batteries, you should know that they are spill-proof.

So, if you are looking for a battery that meets your car’s deep cycling needs, then the AC Delco ACDB24R is the one. This 325 CCA, 70 RC, and 45 Amp/h battery will never let you stranded on the road. Thanks to its reserve capacity it ensures zero starting glitches.

Great features of the AC Delco ACDB24R Group 51 Battery

  • The deep cycling capabilities on its own are impressive. But when you pair it up with the exceptional charge-receptive feature, it is a deadly combination.
  • One thing that you would notice time after time AC Delco auto battery review is the AC Delco batteries last 3x times more than any standard auto batteries.
  • And it is because of the valve they use. Thanks to it, gas recombinant technology can increase the battery’s life-span.


  • It requires zero maintenance
  • No leaking
  • It lasts long
  • Enhanced resistance
  • Affordable


  • Not the perfect fit for larger vehicles

2. AC Delco 34AGM Group 34 Battery

If you’re driving something big and powerful like a Ford pickup, you need a battery that can deliver the juice. Which brings us to the AC Delco silver battery: The AC Delco 34AGM Group 34 battery.

Like any AGM battery, it is spill-proof, let’s get that out of the way right away. That is still impressive. But the number of other features that come with it ceases to amaze me.

Why we love it?

For starters, the battery performance is off the charts thanks to its high-density negative paste. And there are so many other things that work to improve performance.

Like the alloy/Silver Calcium that enhances the life cycle. The acid circulation, on the other hand, keeps the battery heat down to help the longevity.

So, everything works to improve the car”s battery performance while making sure it lasts longer than ever.

Wow features of AC Delco 34AGM Group 34 Battery

  • The AC Delco 34AGM Group 34 battery is the perfect car battery for any vehicle. But the Group 34 battery can be more than that. Imagine you went camping in the woods. You brought an inverter with you to power up your electrical appliances. However, I forgot completely to charge the thing.
  • What then? Just take the cables out and plug the inverter into your car battery and problem solved. The AC Delco 34AGM Group 34 battery packs enough power to get you through the night as well as make sure to get back home.
  • You can’t imagine doing so as a dare with any other car battery. Because they won’t last that long. Having such a reliable power source is always a blessing. So, bless yourself with the AC Delco 34AGM Group 34 battery.


  • Exceptional performance
  • Increased battery life
  • Battery reserve capacity of almost 2 hours
  • Super sturdy
  • Super sturdy


  • Slightly expensive

3. AC Delco 48AGM Group 48 Battery

Put the key to the ignition and see the car get started every single time without fail with AC Delco 48AGM Group 34 battery. Car batteries have it hard in dry climates with extreme temperatures.  It leads to malfunction quite often.

Why we love it?

Not if you have the 48AGM by your side, as it manages to keep the heat down. So, your car battery doesn’t die on you in the middle of the street.

However, its the fast cranking the battery produces that I love the most. Big relief for those who live in cold weather as its never easy to get the car started.

No matter the weather conditions, the battery keeps on working exactly the way you want it too. And you can’t ask much more than that.

Wow features of the AC Delco 48AGM Group 48 Battery

  • Most car batteries out there suck because of their fast discharge. You charge up the batteries the entire day, and when it drains down like crazy, it is quite frustrating. However, the AC Delco 48AGM slow discharge makes sure the battery runs longer hours.
  • Even after everything it has to offer, the higher cranking power and reserve range is its key selling point.


  • High-quality AGM battery.
  • It offers long cycling capabilities.
  • The battery requires no maintenance.
  • It comes with a warranty plan.


  • It is expensive than traditional batteries.

4. AC Delco 94RAGM Group 94R Battery

Bad roads are bad news for the car battery. Unless you have the AC Delco 94RAGM Group 94R battery under the hood. AGM is already safe from liquid spilling. But with AC Delco vent cap design, it becomes almost impossible.

Why we love it?

So, you can off track without worrying about damaging the cars battery anymore.

However, from all the batteries in the AC Delco AAA battery, this 12 Volt battery is perfect for a wide range of cars. So, its universal appeal makes it more desirable than others.

Wow features of AC Delco 94RAGM Group 94R Battery

  • 99% of the time, the car battery fails because of overheating. And that is because when the battery heats the water inside dries up. Hence, the breakdown.
  • However, AC Delco 94RAGM made water retention in their batteries possible even in high heats. To do so, they’ve introduced oxygen recombination. And what it does is it minimizes the water loss. 
  • It is something most car battery manufacturers are yet to figure out. Besides, that AC Delco also manages to improve the current conductivity. So, ignition works in a flick every single time.


  • Superior conductivity
  • No leaking
  • Improved performance.
  • Exceptional battery life.
  • Zero maintenance.


  • It is heavy.

5. AC Delco 47AGM Professional Group 47 Battery

The AC Delco 47AGM boasts the typical solid build like any other of their batteries. However, don’t take it for granted.

Sometimes people forget how solid the spill-proof battery is. To make people remember that the Group 47 battery takes stability to a new level.

Why we love it?

Vibrations and shakes make no difference to it. A big plus for those who like to ride their vehicles on rocky terrains.

But as you all know, the sealed version comes with its own headache. Overheating in particular.

AC Delco solved that with increased acid circulation within their battery. And thats where the robust envelope separator with a puncture-resistant back pitches in.

Wow features of AC Delco 47AGM Professional Group 47 Battery

  • The question should be, why it shouldn’t be? It’s the perfect replacement battery. No matter how good your original car battery was, this one will exceed it with ease. And I love the fact AC Delco made sure to give proper attention to details.
  • They didnt just make a bigger-sized AC Delco battery with the same old features. They improved where they could. And as a result, you get one of the highest-rated CCA batteries from the brand.


  • It is maintenance-free.
  • Has a CCA rating of 630.
  • Great battery life.
  • Spill-proof.


  • The battery has harmful chemicals.

6. AC Delco 49AGM Group 49 Battery

From the stereo to air condition to the car lock, everything electrical on your car works on the car battery. And if youre looking for the right option to power up all these things then look no further then the AC Delco 49AGM Group 49 battery.

Why we love it?

The Alloy or the Silver Calcium stamp alloy on the battery enhances the lifespan 3x more than your traditional batteries.

And the calcium led positive grid also improves the conductivity of current. So, you don’t have to worry about the sudden on-demand power, as it is more than capable to deliver.

So, if you need a replacement battery for your car then the AC Delco 49AGM Group 49 battery is a good place to start.

Wow features of AC Delco 49AGM Group 49 Battery

  • The AC Delco has all the standard features that you’ve come to know and love. And all of those things are here in the 49AGM.
  • However, the real attraction here is its warranty. Now, some of the car battery has 12 months or 24 months of warranty.
  • But this one exceeds them by an extra 12 months. So, you can get your battery replaced within the 36 months of purchase which is always ensuring.


  • Easy to use
  • It fits in the most well-known brand’s car.
  • 100% spill-free
  • Last longer
  • It comes with a 36-month replacement period warranty.


  • Some people had a hard time installing it.

7. AC Delco 78AGM Group 78 Battery

Some car batteries today don’t last even a year or two. Meanwhile, the AC Delco 78AGM Group 78 battery lasts 5 years without any problem. So, what’s the secret of its longevity?  To start with, the high-density negative paste helps with the life span.

Why we love it?

However, it also improves the overall performance of the battery.

Also, the improved lead-acid circulation within the battery helps with it.

They introduce a sturdy envelope separator with a puncture-resistant to do it. As a result, the heat goes down and the battery lasts longer.

Wow features of AC Delco 78AGM Group 78 Battery

  • Some people love to accessorize their car with lots of electrical stuff. And if you wish to do the same then you need to have a steady source of power that is capable of keeping all things running. A small size AC Delco battery isn’t cut out for the job.
  • However, the Group 78 battery packs the power to run all those things for as long as you need without any problem. And if you are a gearhead, then it is the right pick for you any day.


  • Free replacement within 36-months.
  • High scoring CCA.
  • Extended reserve capacity.
  • It stops leakage.


  • It is not for small-sized vehicles.
  • It is quite heavy.

The benefit of buying an AC Delco battery

There are a bunch of benefits of using an AC Delco battery. Let’s check them out.

The first thing that comes to mind is no leaking. That is a big issue in standard batteries.

However, AC Delco vent cap design provides well-sealed batteries that stop it from leaking. So, harmful chemicals remain intact at all times.

The car battery has it hard in both cold and warm weather. At least, that was the case for traditional batteries.

AGM batteries do not have any such problem to worry about.

Because even if it’s melting hot, the car battery works fine. And when it is bone-chilling cold, the car battery cranks up fast to start the engine.

So, weather conditions do not have anything on your car batteries anymore.

You don’t get the high current on-demand with high-resistance batteries.

For that, you need a low-resistance battery.

And that is what AC Delco promises you with their batteries. So, you can enjoy those bursts of power whenever needed with them.

From the AC Delco battery, you can clearly see that everything the manufacturers introduce in some way or another helps its lifespan.

Whether it is minimizing the water loss or deep cycling actions, everything works to make the battery last.

And that’s why the AGM lasts 3x longer than any other standard battery in the business.

Acdelco Battery Maintenance

Buyers guide for an AC Delco Battery

Before today, perhaps you had never considered what to look for in a car battery. If you have no knowledge about the stuff, we are here to guide you.

However, if you are hell-bent on finding the right AC Delco car battery, you need to understand the equipment. This buying guide will provide you with all the necessary insights to help you conduct your own search for the best car battery.

The first rule of thumb is to understand the type and size of the car battery.

Because you can pick any battery and put it inside the car. It might not fit, or the power is either low or high.

So, knowing your car battery type is the first thing you must do.

Now, these have their pros and cons. For starters, the sealed batteries are safer and require almost no maintenance.

On the other hand, unsealed batteries need to be maintained. But you can cool them down easier as you can add water to them.

So, it is another aspect that needs some serious thought while purchasing the car battery.

The reserve capacity ensures minimum voltage to run your car when the alternator fails.

So, car batteries with longer hours of reserve range should always be the top pick.

Otherwise, be ready to get stuck in the middle of the desert.

CCA is the cold cranking amp. It is the amount of power you need to get your car to life when it is freezing cold outside below zero degrees.

Better CCA cars ensure quick starters in those conditions. So, tick the box while looking for your new car battery.

7 Best AC Delco Batteries FAQs

Q: Has anyone replaced their battery with a brand other than AC Delco?

At some point in time, someone has obviously made the brand switch to a higher capacity battery.  But whether it worked for good or not that remains the big question.

Q: Who makes AC Delco batteries?

The AC Delco batteries are made by the Middle East Battery Company in Saudi Arabia with Johnson Control (Milwaukee, WI) owning 49% and the other 51% by investors.

Q: Is AC Delco a good battery?

AC Delco is one of the best car battery manufacturers in the world.

Q: How long should an AC Delco battery last?

Depending on your use and other factors, the AC Delco battery lasts up to 60 months (5 years).

Q: How do I decode my AC Delco battery?

It is easy to decode the manufacturing code. The first character of the code always begins with a P or S. So, your code looks something like S094R.

Don’t worry about the first and last letters. You should focus on the first two digits after the S, which depicts the month. So, 09 means September. And the third digit 4 illustrates the year 2014.

Q: How do I put water in my AC Delco battery?

You don’t need to add water to the AC Delco AGM batteries.

7 Best AC Delco BatteriesFinal Words

In this AC Delco battery review, I’ve made sure to help everyone find their perfect car battery. Yes, there are a bunch of options. But you must focus more on your car’s needs than anything else.

That is clearly the thing I’ve tried to show in my buying guide, too. However, if you know which is the ideal mate for your car, get it immediately.

3 thoughts on “7 Best AC Delco Batteries”

  1. I need a battery for a 2015 Chevy Trax, I’ve been reading up on everything, so between the diehard for which I’ve purchased all my car owning life, Sears an k-mart stores have closed, and the other alternative is an AC Delco 78AGM 78 Battery which the comments are stating is too heavy for a small SUV. Is the true an what is the cost?

  2. I have a 2011 Chevy Suburban 2500. It had a 48 group ( 48 PS 30 month) lead acid battery from the factory, I just replaced it with a new one. Great battery, Very dependable and long lasting.

    Good Job.

    Bill Heinlein

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