Best 51r Auto Battery

Peter | 14-05-2025

With so many Best 51r Auto Battery brands on the market – from big names like Mighty Max Battery,Optima,ACDelco,Generic,OPTIMA,UPLUS NEW TECHNOLOGY BATTERY to smaller companies – finding the right product can be a real challenge. But we’re here to make your search easier.

We carefully researched and tested a vast range of Best 51r Auto Battery to help you discover the top contenders that match different needs and preferences. Altogether, we spent over 100 hours evaluating numerous products first-hand.

Our #1 best Best 51r Auto Battery is Mighty Max Battery Best 51r Auto Battery, based on its stellar performance across all our tests. Below you’ll find more of our top-rated recommendations for great Best 51r Auto Battery options currently available. Make sure to check out our buying guide too – it’s full of expert advice for choosing a Best 51r Auto Battery tailored to exactly what you’re looking for. With our help guiding your decision, finding your perfect fit will be a breeze!

Editor's Choice
Mighty Max Battery MM-H5 Start and Stop Car BCI Group Size 47 12V 60 AH, 100RC, 680 CCA Rechargeable
Mighty Max Battery MM-H5 Start and Stop Car BCI Group Size 47 12V 60 AH, 100RC, 680 CCA Rechargeable
Premium Pick
Optima Batteries OPT8073-167 D51R YellowTop Dual Purpose Battery
Optima Batteries OPT8073-167 D51R YellowTop Dual Purpose Battery
Budget Pick
ACDelco Gold 51RAGM (88866315) 36 Month Warranty AGM BCI Group 51R Battery
ACDelco Gold 51RAGM (88866315) 36 Month Warranty AGM BCI Group 51R Battery

Top 10 Best 51r Auto Battery

We researched and compared the top products in the Best 51r Auto Battery category to provide you with these recommendations.

1. Mighty Max Battery MM-H5 Start and Stop Car BCI Group Size 47 12V 60 AH, 100RC, 680 CCA Rechargeable

Mighty Max Battery MM-H5 Start and Stop Car BCI Group Size 47 12V 60 AH, 100RC, 680 CCA Rechargeable
9.8

Mighty Max Battery

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  • MM-H5 Group 47 is a 12V 60AH 100RC, 680 Cold Cranking Amps (CCA), Sealed Lead Acid (SLA) rechargeable maintenance free car battery
  • Dimensions: 9.53 inches x 6.88 inches x 7.48 inches. Listing is for the Battery and Screws only. No wire harness or mounting accessories included.
  • SLA / AGM spill proof battery has a characteristic of high discharge rate, wide operating temperatures, long service life and deep discharge recover. Mighty Max Battery delivers 680 CCA Cold Cranking Amps which provides excessive starting power in the cold winter or heat summer weather. 100RC rating provides dependable performance and an extended lifespan, offering up to twice the cycle life compared to traditional batteries.
  • Rechargeable battery that resists shocks and vibration. Long lasting high performance in high and low temperatures. Provides exceptional starting power and outstanding value.
  • Full Three Year Warranty.

2. Optima Batteries OPT8073-167 D51R YellowTop Dual Purpose Battery

  • 12-Volt, 450 Cold Cranking Amps, Size: 9 5/16" x 5 1/16" x 8 15/16" tall, Weight: 26 pounds, SAE Post
  • Reserve capacity of 66 minutes for constant performance
  • Optimal starting power even in bad weather
  • Fifteen times more resistant to vibration for durability
  • This item is not for sale in Catalina Island

3. ACDelco Gold 51RAGM (88866315) 36 Month Warranty AGM BCI Group 51R Battery

ACDelco Gold 51RAGM (88866315) 36 Month Warranty AGM BCI Group 51R Battery
9.1

Acdelco

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  • Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
  • Premium aftermarket replacement part
  • Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models

4. 51R-5 for industrial use by Generic - Group 51R Battery

51R-5 for industrial use by Generic - Group 51R Battery
8.9

Generic

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  • Manufacturer/Brand: Generic
  • Part Number: 51R-5
  • Description: Group 51R battery.
  • All parts are certified genuine and sourced directly from accredited manufacturers around the world.
  • Photos available upon request! Chat directly with our support team for any questions on our website - trymaterialize.

5. OPTIMA Batteries High Performance D51 YellowTop Dual Purpose Sealed AGM Car, Truck and SUV Battery,

  • Premium Starting And Deep Cycle Power
  • Optimal starting power even in bad weather
  • Fifteen times more resistant to vibration for durability

6. UPLUS BCI Group 140R Car Battery, AGM-L50-UP Maintenance Free 12V 50Ah Premium AGM Batteries H4 LN1

UPLUS BCI Group 140R Car Battery, AGM-L50-UP Maintenance Free 12V 50Ah Premium AGM Batteries H4 LN1
8.5

Uplus New Technology Battery

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  • Battery dimensions --- BCI Group size 140R(H4 LN1), 8.15 x 6.89 x 7.48 inches, Terminal Layout: Left: - Right: +. Battery dimensions, cold cranking amps, terminal location and battery type are key factors in getting the right unit. Please measure your old battery and compare the size with this battery, if the measurements are the same, the positive and negative positions are the same, there is not much difference in CCA and it will fit your vehicle.
  • DESIGNED FOR VEHICLES WITH START-STOP --- International standard size BCI Group 140R, easy to install.Ideal for vehicles with large electrical loads (DVD players, navigation systems, heated seats, power doors, etc.), vehicles used for frequent short trips or in stop-n-go traffic and vehicles that sit unused for days or weeks at a time.
  • 4 TIMES EXTRA CYCLING --- High density negative paste and Enhanced life alloy or Silver Calcium stamped alloy. Uplus Start and Stop AGM battery has 4 times extra cycle life compared to standard conventional batteries.
  • DEEP-CYCLE AND CRANKING POWER --- Calcium lead positive grid, maximizes conductivity and allows for low resistance.Highest cold cranking amperes (570CCA) for engine starts, even reliable during cold winter temperatures.
  • TOP-LEVEL SAFETY --- 15 times more vibration-resistant.Vent cap design that resists acid leakage.Top-level safety features and absolutely no free acid.Original Spare Parts ensure the replacement battery has the same quality as the original one.
  • LOCAL AFTER-SALES SUPPORT --- 3-year warranty. UPLUS has a fixed office and warehouse in California and Georgia, responds within 12 hours.

7. Optima Batteries 8020-164 35 RedTop Starting Battery

  • 12-Volt, 720 Cold Cranking Amps, Size: 9.38 x 7.69 x 6.75-Inches Weight: 31.7 pounds, SAE Posts
  • Reserve capacity of 90 minutes for constant performance
  • Optimal starting power even in bad weather. Case material is Polypropylene
  • Fifteen times more resistant to vibration for durability
  • This item is not for sale in Catalina Island
  • Fit Type: Vehicle Specific

8. Optima Batteries 8025-160 25 RedTop lead_acid_agm Starting Battery

  • 12-Volt, 720 Cold Cranking Amps, Size: 10 5/16" x 6 13/16" x 7 5/8" tall, Weight: 39.5 pounds, SAE Posts
  • Reserve capacity of 90 minutes for constant performance;Up to 3X longer life
  • Optimal starting power even in bad weather
  • Fifteen times more resistant to vibration for durability.This item is not for sale in Catalina Island
  • C20 Capacity:44 Amp hour

9. Mighty Max Battery 12V 55AH GEL Battery Replacement for Megavolt Flooded BCI 51R

Mighty Max Battery 12V 55AH GEL Battery Replacement for Megavolt Flooded BCI 51R
7.9

Mighty Max Battery

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  • ML55-12GEL is a 12V 55AH GEL rechargeable maintenance free battery - UL Certified
  • Reliable Performance: Our GEL batteries deliver consistent, long-lasting power thanks to their slower self-discharge rate compared to AGM batteries. This means they retain their charge longer when not in use, making them a superior upgrade choice
  • Durability in Extreme Conditions: Mighty Max GEL batteries provide consistent performance in extreme temperatures, excelling in a wide range of climates. Their resilience to temperature fluctuations allows for solid power delivery, whether you're operating in the heat of summer or the chill of winter
  • Engineered for Rugged Use with Enhanced Safety Features: Our GEL batteries feature a thick, non-spillable gel paste that is safer and less prone to leaks, reducing the risk of acid spills and harmful fumes. This meticulous design enables our gel batteries to resist vibrations and shocks, making them well-suited for demanding environments
  • Trusted by our customers: Mighty Max has earned a solid reputation for quality and reliability, making it a brand people trust. Experience the benefits of advanced GEL technology for superior discharge capabilities, enhanced safety, better performance, and longer lifespan

10. Auto Dynasty Universal 6.75 Inches Battery Tie Down Mounting Bracket, Secure Hold for Automotive

Auto Dynasty Universal 6.75 Inches Battery Tie Down Mounting Bracket, Secure Hold for Automotive
7.7

Auto Dynasty

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  • Made of CNC Machined Aircraft Grade Billet Aluminum
  • Anodized for a Long Lasting Finish
  • Fits Batteries with a 5.13" or Less Width. Perfect for 51 and 51R Batteries
  • Bolt Center To Bolt Center Length - 5.75" (145mm)
  • Tie Down Bracket Overall Length - 6.75" (170mm)

Peter

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