To help you select the right battery for your needs, we’ve rounded up the top 51r car batteries on the market.
Our Editor’s Best Group 51r Car Battery Reviews
Interstate Batteries Group 51R Car Battery Replacement (MT-51R) 12V, 500 CCA, 24 Month Warranty, Replacement Automotive Battery for Cars, SUVs

Key Features:
-
The Interstate MT car battery is a reliable and powerful battery option for shoppers. This battery delivers 500 Cold cranking amps (CCA) and has 85 minutes of reserve capacity, making it a great choice for those in hot to moderate climates.
-
This is a Group Size 51R car battery. It will fit over 250 different year/make/model car batteries. You can confirm if it will fit your vehicle with Amazon’s Confirmed Fit Tool at the top of this page.
-
This 51r car battery is a “better” flooded, non-AGM battery that offers the longest life in hot to moderate climates. It has a high electrolyte-to-lead ratio that resists extreme temperatures, and it delivers 25-30 cycles at 80% depth of discharge.
-
This battery is dependable and will work well for the shopper.
Powertex Batteries Lithium-Ion LiFePO4 BCI Group Size 51R Automotive Battery – 12.8V 720CA 360CCA 36Ah 461Wh – AGM & SLA Drop-In Premium Replacement

Key Features:
-
This is a 51r car battery that is advertised as having more power than a lead-acid battery. The battery is also said to improve the combustion efficiency of the fuel in the engine cylinder, which can result in a faster car start, lower fuel consumption, lighter throttle, and more responsive engine.
-
The car battery is lighter than the standard lead acid equivalent, weighing in at 10.6 lbs.
-
The 51r car battery is a PowerTex LiFePO4 Lithium Iron Phosphate Battery that comes with a built-in BMS (Battery Management System). This BMS protects the battery from overcharge, deep discharge, overheating, and other common causes of battery failure.
-
The group 51r car battery is a high quality battery that is certified by UL and RoHs.
-
This is a battery that will last much longer than a lead acid battery, cycle more, and thus have a lifespan of about 5-10 years.
-
This car battery has a 2 year warranty.
-
The shopper should be aware that this car battery requires a LiFePO4 charger in order to charge it properly. Without the proper charger, the battery will not reach its full potential, which could affect the performance of the car.
ACDelco Gold 48AGM 36 Month Warranty AGM BCI Group 48 Battery, Black

Key Features:
-
This group 51r car battery has a high density negative paste which improves performance and increases battery life.
-
This group 51r car battery has an enhanced life alloy or silver calcium stamped alloy, which increases its cycle life and improves performance.
-
This is a battery for a car that has a calcium lead positive grid. This will maximize the conductivity and allow for low resistance.
-
The 51r car battery is a robust battery with a puncture resistant back. It allows for increased acid circulation and prevents shorts. The improved acid circulation helps the battery to remain cool and extend battery life.
-
This group 51r car battery has a vent cap design that resists acid leakage, making it a safe and reliable option for your car.
-
The group 51r car battery comes with a 7 year warranty.
ACDelco Gold 47AGMA 36 Month Warranty AGM BCI Group 47 Battery

Key Features:
-
The 51r car battery has a high density negative paste which improves performance and increases battery life.
-
This car battery is made with Enhanced life alloy/Silver Calcium stamped alloy, which increases cycle life and improves performance.
-
This group 51r car battery is designed for maximum conductivity and low resistance. It features a calcium lead positive grid that helps to ensure optimal performance.
-
The 51r car battery is a robust battery with a puncture-resistant back that allows for increased acid circulation and prevents shorts. The improved acid circulation helps the battery to remain cool and extend battery life.
-
This car battery is designed to resist acid leakage through the vent cap.
-
This is a 51r car battery that is precision manufactured with a ribbed case. It is 100% pressure tested to help avoid future leaks and adds strength and rigidity.
-
This is a battery that is designed to minimize early failures. It has been 100% electrically short tested to ensure that it will perform well.
-
The ACDelco Gold 51r car battery is a high-quality battery that is designed to last. It is made with premium materials and includes a warranty. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional parts, but have been updated and improved.
-
This battery is a replacement for a car battery. It is made by a company other than the original manufacturer.
-
This group 51r car battery is designed to work with General Motors vehicles as well as most other makes and models. It is made to meet specifications for fit, form, and function, so you can expect it to work well with your car.
ODYSSEY PC680 Battery, red top

Key Features:
-
The battery is a 170 cold cranking amps battery that comes with a limited two-year warranty. It is advertised to have a longer service life than other batteries, lasting up to ten years.
-
The 51r car battery has a longer cycle life than most other batteries, meaning it will last longer before needing to be replaced. It also has a higher stable voltage, meaning it can power devices for longer periods of time before running out of juice.
-
The 51r car battery is a sealed lead battery that can be recharged in 4-6 hours. It is designed for flexibility and can be mounted in any position.
-
The 51r car battery is designed to be resistant to high impact shock and mechanical vibration, as well as extreme temperatures. This makes it an ideal choice for shoppers who are looking for a durable and reliable battery.
-
This car battery is not for sale in Catalina Island.
-
This means that the item is a hazardous material and cannot be returned.
Camco 55394 Standard Battery Hold-Down Tray , black

Key Features:
-
This is a battery holder that is designed to hold group 24/24M automotive batteries in place to prevent them from moving during transportation. It is a universal fit, meaning it should be able to accommodate most group 24/24M batteries.
-
This 51r car battery is made of heavy-duty, acid-resistant plastic with stainless steel hardware, making it a safe and durable option for shoppers.
-
This is a car battery that is designed to fit in vehicles that have a limited amount of space for a battery. It is a smaller size battery that is still able to provide enough power for the car.
-
This is a 51r car battery that is 11 9/16-inches long, 8 ½-inches wide, and 9 5/8-inches tall.
-
This 51r car battery includes a tray, two rods, a cross bar, and a knob.
-
This means that the battery meets the safety standards set by the United States Coast Guard. This is important for shoppers who want to be sure that their battery is safe to use.
-
The 51r car battery has a patented design that makes it one of the most reliable and efficient car batteries on the market.
Optima Batteries OPT8071-167 D51 YellowTop Dual Purpose Battery

Key Features:
-
This is a 12-volt car battery that is 450 cold cranking amps. It is size 9 5/16″ x 5 1/16″ x 8 15/16″ tall and weighs 26 pounds. It has an SAE post.
-
This 51r car battery has a reserve capacity of 66 minutes for constant performance and a polypropylene case.
-
This particular battery is designed to provide optimal starting power in bad weather conditions.
-
This car battery is designed to be fifteen times more resistant to vibration than other batteries, for increased durability.
-
This item is not for sale in Catalina Island.
Energizer A23BPZ Battery GP

Key Features:
-
The 51r car battery is an alkaline battery that provides a long-lasting power source.
-
This is a 51r car battery that can be used in calculators, pencil sharpeners, cameras, flashlights and more.
- long, 6.5″ wide, and 9.25″ tall. It has a capacity of 51r and a cold cranking amps of 950.
This battery is designed for a car that requires a 51r battery. It is 12 inches long, 6.5 inches wide, and 9.25 inches tall. It has a capacity of 51r and a cold cranking amps of 950.
ACDelco Gold 49AGM 36 Month Warranty AGM BCI Group 49 Battery

Key Features:
-
This battery is designed for high performance and long life. It has a high density negative paste that helps it perform better and last longer.
-
This group 51r car battery is made with an enhanced life alloy/silver calcium stamped alloy, which increases its cycle life and improves performance.
-
This is a lead-acid battery with a calcium-lead positive grid. This combination maximizes conductivity and allows for low resistance.
-
The 51r car battery is a robust battery with a puncture-resistant back that allows for increased acid circulation and prevents shorts. The improved acid circulation helps the battery to remain cool and extend battery life.
-
The 51r car battery has a vent cap design that resists acid leakage.
-
This is a car battery that is precision manufactured and pressure tested. It is designed to avoid leaks and add strength and rigidity.
-
This group 51r car battery has been 100% electrical short tested to minimize early failures, meaning that it is less likely to fail prematurely than other batteries.
-
This group 51r car battery has been meticulously tested to be free of any manufacturing defects in both materials and craftsmanship. This battery will provide reliable power and performance for your car.
ACDelco Gold 94RAGM 36 Month Warranty AGM BCI Group 94R Battery

Key Features:
-
This battery has a high density negative paste, which means it will perform better and last longer than a battery with a lower density paste.
-
This is a battery for a car that has an enhanced life alloy or silver calcium stamped alloy. This increases the cycle life and improves performance.
-
This is a calcium lead battery, which means it has a calcium lead positive grid. This grid maximizes conductivity and allows for low resistance, making it a good choice for a shopper.
-
The 51r car battery is a robust battery with a puncture-resistant back that allows for increased acid circulation and prevents shorts. The improved acid circulation helps the battery to remain cool and extend battery life.
-
This is a car battery with a vent cap design that resists acid leakage.
-
This car battery is precision manufactured with a ribbed case that is 100% pressure tested. This helps avoid future leaks and adds strength and rigidity.
-
This car battery has been 100% electrically short tested to minimize early failures.
-
This battery is made to high standards and will work well.
Group 51r Car Battery FAQs
1. How long will a group 51r car battery last?
It depends on the size of the battery, but most group 24 batteries will last for around 5-7 years.
2. How do I know when my group 51r car battery needs to be replaced?
If your car battery is more than three years old, it’s a good idea to have it tested annually to see if it needs to be replaced.
3. How do I properly maintain my group 51r car battery?
Most people just let the battery sit until it is needed, but this is not the proper way to maintain a group r car battery. The battery should be disconnected from the car and stored in a cool, dry place.
4. What are the consequences of not properly maintaining my group 51r car battery?
If you don’t properly maintain your car battery, it will eventually die.
5. What are some tips for prolonging the life of my group 51r car battery?
Some tips for prolonging the life of a group r car battery include: -Regularly checking and cleaning the battery terminals -Making sure the battery is properly secured and ventilated -Avoiding short trips where the engine doesn’t have a chance to fully warm up -Reducing the use of electrical accessories -Keeping the battery topped off with distilled water
Conclusion
There are many great group 51r car battery on the market. Our list of the best group 51r car battery will help you save time researching and choosing the best one for you.