Best Battery for 6.7 Cummins (Review & Buying Guide) in 2022

What can worsen the Monday morning commute to work? Your truck is not starting up before the journey! Imagine starting your vehicle on a cold January morning and preparing it for the drive, but it resists with a sluggish cranking. You must be wondering if some complicated issue hits the engine! But this endless cranking or a dull click at the start is all due to battery failures. Within the cold weather, there is no surprise that ordinary batteries fail badly. Worry not, as we’ve got you covered with the best battery for 6.7 Cummins, which starts the truck in the first turn- even after inactivity of days and weeks!

Many of the gasoline-chugging and diesel engines face issues while powering or fueling up the accessories. In turn, the truck fails to start, and you’ll end up having a cranking sound. The situation can get even worse when you park your diesel truck for some days in the cold weather of January or February. The 6.7L Cummins is a powerful Turbo Diesel Engine that can be used for the RAM 2500 and 3500 pickup trucks. Thus, producing 400 horsepower is not as easier as it looks like! The powerful RAM needs a great pickup or start, for which you need a best-in-class battery.

It can be a complex job to find the best battery for your 6.7 Cummins due to 400 horsepower and 1000-feet diesel torque. Keeping all this in mind, we’ve made the job a little easier for you. Get yourself equipped with the best battery for 6.7L Cummins Diesel Engine from our top 10 list. Let’s delve into the details for these best batteries for diesel trucks!

Comparison Chart:

1.    ACDelco 94RAGM AGM Automotive BCI Group 94R Battery:

No wonder why your 6.7 Cummins Diesel Engine is not achieving enough torque, especially in the winters! Also, parking your truck for some inactive days might make the situation even worse. ACDelco 94RAGM has got the solution to all your truck self-start problems. This 12-Volts powerful battery has a longer lifespan due to sturdy and rugged build quality, which keeps your powerful 6.7 Cummins engine on the road for years without any hassle.

Features:

ACDelco 94RAGM is equipped with a high-density negative paste that improves the performance and keeps the battery active for years. This enhanced battery life has a direct impact on your truck’s performance and self-start issues. Cold wintery days are of no issue for the drivers now as you’re going to get the full throttle in the first turn.

The Silver and Calcium stamped alloy are employed in constructing this ACDelco 94R AGM battery, which is why this battery has an extended life cycle. The charging and discharging cycle further enhances the battery’s efficacy in dealing with the cracking sound when your start the truck.

The Calcium Lead Positive Grid is meant to enhance the overall conductivity through the plates of the battery. This attribute will improve the battery’s current overall cycle to provide enough charge when you turn the self-start ON. Apart from the conductivity, these positive grids will reduce the resistance to the battery’s charges for improved efficiency.

Therefore, keeping in mind the rough and harsh journeys on the road, the robust envelop separator is employed. It keeps the back puncture-resistant and improved the circulation of current to reduce the chances of short circuits. Also, the improved acid circulation is a reason why the battery keeps itself at a lower temperature.

Bottom Line:

ACDelco 94R AGM is one of the best choices for your 6.7L Cummins due to Lead/ Calcium positive grids along with the Alloy/Silver Calcium stamped alloy. That’s one of the reasons why it is regarded as the best battery for diesel trucks.

2.    Odyssey Battery 94R-850 Battery:

There’s a lot of hustle around in the market for the Odyssey Battery 94R! One of the main reasons for it being the ideal choice for most truckers is that it can provide up to 850 CCA power. Apart from this, the battery falls in the 1500 PHCA and 100MCA, which is the depiction of power, performance, and efficacy. Along with the SAE terminals, you’re never going to find a better one! Let’s delve into further details.

Features:

The Odyssey claims that the AGM batteries are more powerful and have an improved recharge cycle. This faster recharge cycle will improve the batteries’ normal efficacy and reduce the cranking issues while you start the truck. Moreover, this Odyssey 94R AGM battery has a reboot time of 4 to 6 hours. This means the battery will even work to the fullest on the cold winter days. No matter for how long you’ve parked the truck in the garage, this Odyssey 94R-850 battery holds the ability to start your 6.7 Cummins Turbo Engine.

Additionally, the Odyssey 950 high-performance battery is equipped with plenty of intelligent features with a never-ending list. One of the top-notch quality attributes is that it can be mounted in any way except the reverse terminals. It means that you can place the battery in any position inside the truck to power up the engine. As mentioned earlier, the 100 percent charge can be achieved d in just 4 hours once the battery is fully discharged.

Bottom Line:

The spill-free design makes it ideal for truckers and professionals who’re ready to travel on cold wintery days. The acid circulation is also improved within the spill-free design.

3.    Optima Batteries 8004-003 RedTop Battery:

The Optima RedTop Series battery features the perfect AGM-type starter batteries, top-class in this best battery for the 6.7 Cummins category. The 6.7L Cummins Turbo Diesel Engine needs stellar performance to achieve the ignition or starter. Therefore, thanks to the spiral coil technology employed in constructing these Optima Batteries, 8004-003 can deal with the 720 and 800 cold-cranking amps of power.

Features:

One of the heavy-duty batteries, the Optima RedTop, is ideal for most heavy-duty trucks and vehicles. The 6.7L Cummins engine needs the optimum power to start up and fuel the accessories, which is being provided by this 12 Volts 800 Cold Cranking Amps Optima Battery.

What’s noteworthy about this Optima RedTop battery is that it holds a reserve capacity of 100 minutes. This means that even the engine is not charging up the fluid in the battery, it can still provide constant performance for up to 1.5 hours- Will it not be the best battery for 6.7 Cummins Engine?

Bad weather and cold wintery nights can cause severe problems in starting or ignition of a diesel engine! Worry not when you have the Optima redtop series battery, which is all equipped with an alternator ranging from 13.8 to 15 Volts of power. The ten amps maximum capacity can be withdrawn to start a 6.7L Cummins Turbo Diesel engine optimally without any hassle.

Many complaints are lodged each year to the battery service providers about the leakage and excessive vibrations. Not anymore with this Optima RedTop series battery which has the anti-spillage design along with 15x more resistance towards the vibrations.

4.    Odyssey PC925 Automotive and LTV battery:

Odyssey is a leading brand in providing batteries that not only last longer but serves as an ideal choice for gasoline-chugging and diesel turbo engines. One of the top-class attributes which keep this Odyssey PC925 Automotive in the list of top 10 batteries for 6.7 Cummins is the Cold Crank Amp power with 330 CCA. All in all, you cannot replace the Odyssey PC925 with a better choice for your turbo engine ignition problems.

Features:

Automotive batteries need to be firm and rugged enough to deal with the harsh weather condition. Rigidity is necessary not just in terms of performance but the build quality as well. Odyssey has claimed to be top-class in both as the batteries come with 3-10 years of warranty support from the manufacturer.

What’s noteworthy about this Odyssey 925 is that it can offer up to 70 percent more longer life cycles than ordinary batteries. The conventional deep cycles can range from 300 to 400, making the battery last longer, even powering a 6.7L Turbo diesel engine.

Moreover, this Odyssey PC925 holds stable voltage over a more extended time. This condition will not only power up the heavy engine vehicles for the ignition even in the cold weather but keeps on powering the peripherals as well.

Bottom line:

The faster recharge efficiency by the Odyssey has become the trademark feature for this manufacturer. You can recharge the battery at a much faster pace, which would definitely be a great feature in the colder regions.

5.    XS Power D3400 XS Series 12V Battery:

AGM batteries are never as powerful as this XS Power battery is! This D3400 XS Series battery holds the ability to reduce the cranking and weird noise at the start when you self-start the heavy turbo diesel engine.

XS Series battery promises to deliver the optimized flow of fluid inside the battery compartment to extract the maximum current and reduce resistance.

Features:

AGM Battery series from XS Power has been the center of attention for many years due to being the latest charge carrying technology. It holds the electrolyte solution, which is suspended in the fiberglass to enhance the overall conductivity.

Moreover, the ultra-low internal resistance will not only extend the battery’s life span but makes it eligible to provide enough charge to power up a 6.7L Cummins Turbo Diesel Engine. The easy-to-mount feature made this battery an ideal fit for all truckers.

 

Check Out the full review of XS Power D3400 XS Series AGM High Output Battery

6.    Delphi BU9094R MaxStart AGM Premium Automotive Battery:

Gone are the days where you hassle with the automotive batterie sans powerful turbo engines to start or ignite without cranking sound! Worry not, as you’re now equipped with the Delphi BU9094R MaxStart battery, which has increased its demands since the very first day.

Features:

Delphi BU9094R has the extended cold-cranking amps delivery system, which not only delivers more power but offers 800 CCA specifications. The demanding power needs can be satisfied with 94 batteries and the reverse terminals and 140 RC with reverse capacity onboard.

The 20x less vibration system makes it eligible for the truck’s turbo diesel engines. Lesser vibration will produce less sound as well as reduced heat over time. The spillage issues have also been solved with the optimized component packaging.

7.    Renogy Deep Cycle AGM Battery:

Renogy has launched this battery years ago but is still in demand due to its maintenance-free model and versatile application. It cannot only be used on the powerful Turbo Diesel Engine, i.e., 6.7L Cummins but also as the best battery for the RVs and trucks.

Features:

This AGM battery is a maintenance-free model which comes with the Absorbent Glass Mat separators and the advanced valve technology onboard. The Renogy has also developed deep-cycle technology with an anti-spillage design and an optimal acid recirculation. You don’t need to go for maintenance now and then.

On top of all, the proprietary quinary alloy plates let the battery charge in no time! Not only with the charging, but the battery offers stable voltage over discharging as well. The specially treated plates and grids provide less resistance and more conduction power to flow the charge inside the battery for a strong start of the engine on the first try.

Bottom Line:

Apart from all the features, this AGM battery’s longer shelf life has made it a super-fit choice for truckers. The Renogy Deep cycle AGM battery has a self-discharge rate below 3%, but it has a wide operation range to work smoothly which enables it to be the best battery for Cummins.

Check out the full review of Renogy Deep Cycle AGM Battery

8.    Odyssey Battery 31-PC2150T Automotive Group Battery:

Diesel engines and heavy trucks require the power to start their engine and fuel up the accessories, especially in winters. Thus, featuring this rugged and robust build quality Odyssey Battery alongside plenty of advanced features. These include the non-spilling design and the shock absorption technology. That’s one of the reasons why this Odyssey Battery survives the longest.

Features:

The AGM design for this powerful battery protects it from the vibrational damage produced by the 6.7L Turbo Cummins Engine. Also equipped with premium quality Lead plates, this battery can conduct the charges efficiently and offers massive starting power.

Additionally, the battery is backed up by the 3-10 years of warranty from the manufacturer, which will be a money saver for most of you. The 70% improved battery life cycle is more than accurate and precise compared to the normal conventional deep cycles.

The mounting flexibility options deliver you the utmost performance in any shape, size, and dimensions. The battery can also survive the extreme heating temperature up to 45°C.

Bottom Line:

Odyssey 31-PC2150T Automotive battery requires no maintenance for weeks or months. The vibration resistance design, along with the wide temperature range tolerance, makes it an ideal choice.

9.    Optima Batteries DH6 YelowTop Sealed AGM:

The Optima YellowTop series has a deep-cycle 12-Volt AGM technology that delivers the 800 cold-cranking amps power and maintains the Optima’s all-new 120-minutes current reserving technology. No matter if you’re dealing with the 6.7 Cummins or any other Turbo Diesel Engine, this DH6 will be the ultimate power solution.

Features:

One noteworthy feature for this Optima Batteries is the YellowTop design and the ultimate deep-cycle technology. The YellowTop battery has more power and stock batteries as compared to the red version. This 12-volt powerful battery has a 3x longer and maintenance-free lifecycle. The SAE Auto-posts will not only maintain the 300+ recharge cycles without any hassle. Moreover, this YellowTop battery is famous for its 3x more longer and extended storage time.

This 54-pound battery needs no maintenance for weeks and can hold the charge for about 140 minutes. That means; you can have the constant voltage supply for about 1.5 hours even when the engine is turned off. The optimal starting power can be achieved even in bad weather.

The battery is 15x less vibration-producing and can survive the harsh and impactful truck journeys without spilling up the acid.

Bottom Line:

All in all, this Optima Batteries DH6 YellowTop model can survive the wide temperature range and offers the optimal performance at 25 amps.

10. Delphi BU9035 MaxStart AGM Premium Automotive Battery:

Delphi has plenty of models which can power up a 6.7L Cummins engine. One such model is the BU9035 MaxStart AGM battery which features fiberglass technology with acid flowing inside. It delivers the maximum power to ignite the engine on the first try, but it can reduce the cranking sound overall.

Features:

Extended cold-cranking amps delivery is what you’ll get with this Delphi BU9035. This Group 35 battery is equipped with the 680 CCA power delivery, reducing the cranking sound when you start the engine. Moreover, the 100 RC power performance can be achieved with the reverse capacity.

The battery has 20x less vibration production capacity and more resistance towards the shocks. These features made it super ideal for the trucks on the longer routes. The battery’s external mounting can also bear the wide temperature, enhancing the overall performance and efficacy.

Bottom Line:

This Delphi battery comes with superior vibration resistance and an optimized component compression technology, making it a perfect fit in the best battery for the 6.7 Cummins category.

Final Thoughts:

There have been huge issues for the trucks to start up their engines in the morning, especially on cold days. The same goes for the 6.7 Cummins Turbo Diesel Engines. But worry not! We’ve got you covered with the 10 best batteries for 6.7 Cummins, which might solve your switching and ignition problems, no matter for how long you’ve parked the truck in the garage.

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