5 Best Battery For 6.7 Cummins: Complete Buyer’s Guide 2022

I get asked a lot the question: What is the best battery for 6.7 Cummins? And my answer, as with most things, is it depends. What are you using your truck for? Towing? Racing? Daily driver?

There are a lot of different options out there, and each one has its own advantages and disadvantages. So how do you decide which one is right for you? Check out my guide below to find the best battery for your needs!

What to Consider While Buying a Battery

There are many things you should consider while buying a battery for 6.7 Cummins. Three of the most important ones have been stated as follows:

1. Battery type

There are several types of car batteries. The most common and preferred ones are:

  • Absorbent Glass Mat (AGM) Battery
  • Silver Calcium Battery
  • Enhanced Flooded Battery (EFB)

Select the type that is best suited to you and your vehicle’s needs.

2. Reserve Capacity

The Reserve Capacity (RC) of a battery finds out the lower amount of power required for a longer period of time within a certain voltage (1.75 volts), current (25 amps), and temperature (26.7°C). This technology for testing reserve capacity is called conductance profiling.

Using this, you can find reliable guidance to figure out the required type of battery for your vehicle with increased accuracy.

3. Cold Cranking amps

Cold Cranking Amps (CCA) determine a large amount of power that is required for an instant to start the engine of the vehicle during cold temperatures, as per as its name. Load test the battery to find out its CCA while it is fully charged.

Top Recommended Batteries for 6.7 Cummins

From an abundance of options to choose from, there are several 6.7 Cummins batteries with numerous useful features. Let’s get to know them.

1. ACDelco Gold 94RAGM AGM BCI Group 94R Battery

ACDelco Gold 94RAGM 36 Month Warranty AGM BCI Group 94R Battery

The ACDelco Gold model is well-known for its enhanced battery life, which is 12 Volts. This AGM (Absorbed Glass Mat) fits perfectly within most vehicle compartments as it has the proper vent connections.

6.7 Cummins users have claimed that this battery was delivered with 80%-100% charge, unlike other batteries, and could immediately start up the car.

Who should buy it:

This product is suitable for people who prefer AGM batteries over conventional batteries and will be a great fit for 6.7 Cummins.

2. ODYSSEY 65-PC1750T Automotive and LTV Battery

ODYSSEY 65-PC1750T Automotive and LTV Battery

The ODYSSEY 65-PC1750T Battery is a great option for anyone looking for a reliable backup battery. This battery is renowned for its high quality and mega cranking power necessary for 6.7 Cummins. Also, it also has a built-in thermal management system that helps to regulate temperature and prevent damage from overheating.

The LTV battery is efficient to use as it is easily portable and also consists of a rechargeable external power source.

Who should buy it:

It’s ideal for engines that require a vast amount of cranking power. Although this battery is a bit expensive, the price is suitable according to its premium performance.

3. XS Power D6500 XS Series 12V 3,900 Amp AGM Battery

 XS Power D6500 XS Series 12V 3,900 Amp AGM Battery

The XS Power D6500 is a 12 volt battery with ultra-low internal resistance. It can be mounted in almost any position, making it ideal for use in tight spaces.

Considered as the best AGM battery, it has a high capacity, making it one of the most powerful 12 volt batteries on the market. Despite its high output, the battery is surprisingly compact.

No charging is needed upon receiving this battery as it can be instantly used to start the car.

Who should buy it:

It’s suitable for people who often face battery draining due to their car’s sound system. Both starting performance and audio quality can be improved by using the XS Power D6500 battery.

4. Optima Batteries OPT8002-002 34 RedTop Starting Battery

Optima Batteries OPT8002-002 34 RedTop Starting Battery

The 800 cold-cranking amps of this battery mean that the battery can provide enough power to start a car in cold weather. The 100 minutes reserve capacity means the battery can continue to provide power for 100 minutes if the alternator fails.

This model comes with several adapters to help with the fit in 6.7 Cummins. Overall, it’s a high-quality battery that will give you years of trouble-free service.

Who should buy it:

Anyone in the market for a powerful and reliable car battery would be wise to consider this as an option. This battery is a little lower in height than average; therefore, make sure that it will fit your vehicle.

5. Deka 9A34R AGM Intimidator Battery

Deka 9A34R AGM Intimidator Battery

This battery features AGM technology, which makes it resistant to leaks and spills.

Also, A higher CCA rating means the battery will have no problem starting your engine even in the dead of winter. The Deka 9A34R has a CCA rating of 750, which is more than enough to get most engines going in cold weather conditions.

Who should buy it:

For people who live in cold areas, the Deka 9A34R AGM Intimidator Battery is the way to go when it comes to batteries. This battery is designed to withstand the rigors of winter, delivering amazing performance when you need it most.

Why You Need to Get a Good Battery for 6.7 Cummins

If you’ve got a 6.7 Cummins, you know that you need a good battery to keep it running smoothly. But what exactly makes a good battery for 6.7 Cummins?

Well, it needs to be able to hold a charge for a long time. Also, it needs to have enough power to start the engine in cold weather.

And it should be rugged and resistant to vibration. Finally, it should be affordable. Fortunately, there are many batteries on the market that meet all of these criteria. So if you’re in the market for a new battery for your 6.7 Cummins, make sure to get one that meets all of your needs.


Well, hopefully, by now, you know the importance of having good batteries. A good battery results in increased performance of the car and gives its owner a sense of security. Whereas a car battery of poor quality may even cause your car to break down in the middle of nowhere, and also contains several other risks.

Thus, choosing the right type is a crucial thing to do. Hopefully, this guide for the best battery for 6.7 Cummins has helped if you have been struggling to find the perfect one for your car.

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