Finding the best battery for a Porsche 911 ensures reliable starts and smooth performance. Choosing the correct battery boosts your car’s power and longevity.
Porsche 911 owners need a battery that fits well and delivers strong power. Batteries like the AUTODEPOT BCI Group 49 and Mighty Max MM-H8 offer 12V, high cold cranking amps (CCA), and extended reserve capacity (RC). These features help start your engine quickly, even in cold weather.
AGM batteries, such as the UPLUS BCI Group 94R, provide maintenance-free operation and durability. Interstate’s 12V 70Ah battery also suits various Porsche models with solid performance. Selecting a battery with the correct size and power rating is key to keeping your Porsche 911 running smoothly. Consider these options to find a reliable, long-lasting battery for your vehicle.
Autodepot Bci Group 49 Car Battery

The 1AUTODEPOT BCI Group 49 Car Battery is an ideal choice for vehicle owners seeking a reliable, maintenance-free power source. Perfect for those who drive mid to large-sized cars requiring a robust 12V 95Ah battery, this premium AGM (Absorbent Glass Mat) battery is suited for drivers who value long-lasting performance and high cold cranking amps. If you want a battery that delivers consistent starting power and requires minimal upkeep, this automotive battery fits the bill.
Pros:
- Maintenance-free design eliminates the need for regular water refilling.
- High 900 CCA (Cold Cranking Amps) ensures reliable engine starting in cold weather.
- Durable AGM technology offers enhanced resistance to vibration and a longer lifespan.
- 160 RC (Reserve Capacity) provides an extended power supply during emergencies.
- Compact dimensions (6.89″ H x 7.48″ W x 13.78″ L) fit well in most Group 49 battery compartments.
Cons:
- Weighs 56.44 pounds, which might be heavy for some users during installation.
- Premium features come at a higher price point compared to conventional batteries.
- Limited compatibility with vehicles outside the Group 49 battery size specification.
The 1AUTODEPOT BCI Group 49 Car Battery boasts a premium maintenance-free design that leverages advanced AGM technology, allowing it to deliver superior performance and durability. This technology traps the electrolyte in a fiberglass mat, making it spill-proof and resistant to vibrations, which significantly enhances the battery’s lifespan and reliability under demanding driving conditions. Its high 900 CCA rating ensures your vehicle starts effortlessly even in freezing temperatures, making it a dependable choice for drivers in colder climates.
Additionally, the battery’s ample 160 Reserve Capacity means it can power your vehicle’s electrical systems for an extended period if the alternator fails. Its compact yet robust size fits snugly into most vehicles designed for Group 49 batteries, while weighing just over 56 pounds to balance durability with manageable handling. Overall, this battery delivers a worry-free driving experience with consistent power, minimal maintenance, and strong resistance to the elements, ideal for drivers who demand reliability and performance.
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Uplus Bci Group 94r Car Battery

The UPLUS BCI Group 94R Car Battery is ideal for car owners looking for a reliable, maintenance-free power source that delivers strong performance under various driving conditions. This battery is ideal for those seeking a durable and high-capacity solution for their vehicle, eliminating the need for regular upkeep. It is particularly suited for modern cars that require a premium 12V 80Ah AGM battery with high cold cranking amps.
Pros:
- Maintenance-free AGM technology ensures long-lasting and spill-proof performance
- High capacity of 80Ah supports extended power needs and accessories
- Exceptional 850 CCA (Cold Cranking Amps) for reliable starts in cold weather
- Durable construction with premium AGM design increases battery life and vibration resistance
- Compact size with dimensions of 7.48″ height, 12.4″ width, and 6.89″ length fits most vehicles requiring Group 94R
Cons:
- Heavier than standard batteries, weighing 52 pounds, which may require careful handling
- Higher initial cost compared to conventional flooded batteries
- It may be overkill for older or smaller vehicles with lower power demands
The UPLUS BCI Group 94R battery features advanced Absorbent Glass Mat (AGM) technology that enhances safety by preventing acid spills and allowing for a maintenance-free experience. This technology also improves the battery’s ability to withstand vibrations and shocks, making it highly durable for daily driving and rough road conditions. The battery’s robust 850 CCA rating ensures your vehicle starts reliably even in harsh winter temperatures, reducing the risk of engine starting issues during cold weather.
With a substantial 80Ah capacity, this battery supports additional electronic accessories and long drives without frequent recharging. Its compact design fits neatly under the hood, while the premium construction by Leoch Battery guarantees consistent power delivery and extended service life. Overall, the UPLUS AGM-L80-UP battery combines convenience, power, and longevity, making it an excellent choice for drivers who demand dependable performance and hassle-free maintenance.
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Key Fob Replacement Batteries For Porsche Remote Fob (2-pack)

Suppose you are a proud owner of a Porsche model such as the Cayenne, Macan, 911, Panamera, Boxster, Taycan, Cayman, 718, 918, S, GT, GTS, Turbo, Cabriolet, Carrera, Coupe, or Targa, and are looking for a reliable solution to keep your remote fob functioning smoothly. In that case, the Key Fob Replacement Batteries from Deluxe Batteries are an ideal choice for you. These batteries are specifically designed for Porsche models, ensuring compatibility and reliable performance.
Pros:
- Designed to fit a wide range of Porsche models.
- Comes as a 2-Pack for convenience and cost savings.
- Manufactured by the reputable Deluxe Batteries brand.
Cons:
- Limited to specific Porsche models; not universal.
- Requires verification with the Fitment Guide before purchase.
The Key Fob Replacement Batteries for Porsche are specifically engineered to meet the energy demands of your vehicle’s remote fob. With a focus on delivering consistent and long-lasting power, these batteries ensure that your remote functions efficiently, reducing the hassle of frequent replacements. This is particularly beneficial for those who rely heavily on their remote fob for daily convenience and security.
Manufactured by Deluxe Batteries, a trusted name in the industry, these batteries promise quality and reliability. The 2-Pack offering provides an excellent value, allowing you always to have a spare on hand, which is especially useful during emergencies or unexpected battery failures. By choosing these replacement batteries, you are investing in a product that is tailored to the specifications of your Porsche model, ensuring a perfect fit and optimal performance.
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Interstate Batteries Automotive Battery

The Interstate Batteries Automotive Battery 12V 70Ah is ideal for vehicle owners seeking a reliable and high-performance replacement battery for their cars, SUVs, sedans, and trucks. Whether you need a dependable power source for daily commuting or require enhanced durability for more demanding driving conditions, this battery suits those who prioritize long-lasting energy and consistent starting power.
Pros:
- High cold cranking amps (760CCA) for reliable starts in cold weather
- Absorbent Glass Mat (AGM) technology ensures a spill-proof design and better vibration resistance
- Compact dimensions (7.5″ H x 6.94″ W x 11.0″ L) fit a wide range of vehicle battery compartments
- Strong brand reputation from Interstate Batteries
- Maintenance-free operation reduces hassle for users
Cons:
- Relatively heavier weight (44.7 pounds) may require careful handling during installation
- May be priced higher than standard flooded batteries due to AGM technology
The Interstate Batteries Automotive Battery 12V 70Ah features advanced AGM technology that offers superior performance compared to traditional lead-acid batteries. This design allows the battery to provide enhanced power output with better resistance to shock and vibration, making it perfect for vehicles frequently driven on rough terrain. Its compact size and robust construction ensure it fits securely in most Group Size H6, 48 compartments, providing a seamless replacement option.
Users benefit from the battery’s high 760 cold cranking amps (CCA), which guarantee dependable engine starts even in frigid weather conditions. Additionally, the maintenance-free nature of this battery means users can avoid the common hassles of fluid checks and refills, allowing for a more convenient ownership experience. Overall, this battery combines durability, power, and ease of use, making it an excellent investment for anyone looking to enhance their vehicle’s reliability and performance.
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Mighty Max Battery Mm-h8 Group 49 12v 95ah 160rc 900cca Replacement Battery

The Mighty Max Battery MM-H8 Group 49 12V 95Ah 160RC 900CCA Replacement Battery is ideal for vehicle owners who need a reliable and powerful battery replacement, especially those driving a Porsche 911 from 2010 to 2019. If you are seeking a durable and high-performance battery that delivers consistent starts and long-lasting power, this battery is designed to meet your needs. It is perfect for car enthusiasts and everyday drivers looking for a dependable upgrade or replacement.
Pros:
- High Cold Cranking Amps (900 CCA) ensure strong starts even in cold weather.
- 95Ah capacity provides extended battery life and a reliable power supply.
- Compatible with Porsche 911 (2010-2019) for a perfect fit and optimal performance.
- Robust construction and design with dimensions tailored for easy installation.
- Maintenance-free design for hassle-free ownership.
Cons:
- Weighs 58 pounds, which may be heavy for some users to handle during installation.
- Limited color options, only available in black.
- May be priced higher compared to generic replacement batteries.
The Mighty Max Battery MM-H8 boasts impressive specifications, including a 12V voltage, 95Ah capacity, and 160 reserve capacity minutes, making it a powerful source of energy for your vehicle. The 900 Cold Cranking Amps rating means it can deliver robust starting power in cold climates, reducing the risk of engine start failure. Its dimensions—7.48 inches in height, 6.88 inches in width, and 13.9 inches in length—ensure a snug fit in compatible vehicles, particularly the Porsche 911 models from 2010 to 2019.
Beyond its performance specs, this battery offers users the benefit of a maintenance-free design, eliminating the need for constant upkeep. The sturdy build and trusted brand reputation of Mighty Max Battery provide confidence in long-term durability and reliability. Whether you are replacing an old battery or upgrading, this battery’s compatibility and robust performance make it a worthwhile investment for maintaining your vehicle’s optimal operation.
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Frequently Asked Questions
What Is The Best Battery Size For the Porsche 911?
The ideal battery size for the Porsche 911 is Group 49 (H8). It offers 12V, 95Ah capacity, and strong cold cranking amps (900 CCA), ensuring reliable starts and long-lasting performance.
Are AGM Batteries Better For the Porsche 911?
Yes, AGM batteries like AUTODEPOT and UPLUS are maintenance-free and highly durable. They resist vibration and extreme temperatures, making them perfect for Porsche 911 vehicles.
How Long Do Porsche 911 Car Batteries Last?
Typically, Porsche 911 batteries last 3 to 5 years. Proper maintenance and using premium AGM batteries can extend battery life and improve vehicle reliability.
Can Mighty Max Battery Replace the Porsche 911 Original Battery?
Yes, Mighty Max MM-H8 Group 49 battery matches Porsche 911 specs. It offers 12V, 95Ah, 900 CCA, and 160RC, making it a reliable aftermarket replacement.
Do Porsche 911 Key Fob Batteries Differ From Standard Car Batteries?
Yes, Porsche 911 key fob batteries are small coin cells designed for remote functions. They differ from the main car battery, which powers the engine and electronics.
What Cold Cranking Amps (cca) Suit Porsche 911 Batteries?
A CCA rating of around 850 to 900 is ideal for the Porsche 911. High CCA ensures the battery can start the engine quickly in cold weather conditions.
Conclusion
Choosing the correct battery helps keep your Porsche 911 running smoothly and reliably. Batteries like AUTODEPOT Group 49, UPLUS Group 94R, and Mighty Max Group 49 offer strong performance and long life. AGM batteries provide better power and require less maintenance.
Always check the battery size and cold cranking amps (CCA) to match your car’s needs. A good battery supports your car’s start-up, electronics, and overall driving experience. Don’t forget to consider brands like Interstate for trusted quality. Replacing your Porsche 911 battery with the right fit prevents unexpected breakdowns and extends your vehicle’s life.
Remember, a battery with the right power and size makes all the difference. Simple steps like these keep your Porsche 911 ready for the road, no matter the weather or distance. Choose wisely and enjoy a hassle-free drive every time.
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