9 Best Generac Battery For 2024

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If you're in the market for the best Generac battery for 2023, look no further. We understand the importance of a reliable and long-lasting battery, especially when it comes to backup power systems. In this guide, we have carefully researched and selected the top 9 Generac batteries that offer exceptional performance and durability. Whether you need a battery for your home, business, or outdoor activities, our expert recommendations will ensure that you make the right choice. From superior power output to extended lifespan, these Generac batteries are designed to meet your specific needs and provide peace of mind during power outages. Don't settle for anything less than the best – find your perfect Generac battery for 2023 today.

 

The Mighty Max Battery 12V 9AH Battery Replacement is specifically designed for Generac XG8000E Portable Generators. This maintenance-free rechargeable battery boasts a high discharge rate, wide operating temperatures, long service life, and deep discharge recovery. It can be mounted in any position, resists shocks and vibration, making it suitable for various environments. The battery comes with a 30-day refund policy and a full 1-year warranty. With its perfect fit, this battery is an exact replacement for your generator. However, some customers have mentioned that the connectors may not match the original equipment battery. Overall, this battery is highly rated by customers and is a reliable option for ensuring your generator keeps running smoothly.

Key Features

  • ML9-12NB SLA is a 12V 9AH Sealed Lead Acid (SLA) battery – UL Certified
  • Dimensions: 5.94 inches x 2.56 inches x 3.94 inches
  • Rechargeable battery with high performance in high and low temperatures
  • Backed by a 30-day refund policy and full 1-year warranty
  • Specifications

  • Dimension: 5.94Lx2.56Wx3.94H
  • Size: 5.94 inches x 2.56 inches x 3.94 inches
  • Pros

  • Perfect fit for Generac XG8000E Portable Generators
  • Maintenance-free and rechargeable with wide operating temperatures
  • Can be mounted in any position and resists shocks and vibration
  • Comes with a 30-day refund policy and full 1-year warranty
  • Cons

  • Connectors may not match the original equipment battery
  •  

    The Mighty Max Battery 12V 9AH Battery Replacement is a reliable option for Generac XG8000E Portable Generators. With its perfect fit and long service life, this maintenance-free rechargeable battery ensures your generator performs well in various conditions. While there have been a few complaints about the connectors not matching the original battery, overall, customers are highly satisfied with this product. With a 30-day refund policy and full 1-year warranty, you can trust in the performance and durability of this battery. Keep your generator running smoothly with the Mighty Max Battery Replacement.

     

    Ensure non-stop operation with the Interstate Batteries 12V 9Ah High Rate Battery. This sealed lead acid rechargeable SLA AGM battery provides unbeatable backup power for UPS float standby systems and heavy-duty servers. With compatible models including Generac generators and APC American Power Conversion devices, this high rate battery offers optimal performance and flexibility of mounting orientation. Interstate Batteries, known for their trustworthiness, have been delivering dependable power since 1952. Take advantage of this long-lasting battery for your emergency lighting, tire inflators, and more. Score: 8.2/10

    Key Features

  • Battery applications include Generac generators, emergency lighting, UPS backups, data centers, fire & security systems, tire inflators, jump starters
  • Compatible models: Generac Generators, Vexilar 12VOLT, Vexilar FL-8SE Genz, 0G9449, APC American Power Conversion BP420NP, B & B Battery HR9-12, HR912B1, Coo Power CP12-10, Cyber Power
  • High rate SLA battery ensures unbeatable backup power
  • Optimal performance and flexibility of mounting orientation
  • Interstate Batteries has been delivering trustworthy power since 1952
  • Specifications

  • Color: Original version
  • Dimension: 2.56Lx3.70Wx5.94H
  • Size: 1 Count (Pack of 1)
  • Pros

  • Long-lasting battery for non-stop operation
  • Provides high percent of capacity in <1 hour
  • Superior plate-to-terminal connections for critical power
  • Compatible with various Generac generators
  • Recyclable at Interstate Battery Centers
  • Cons

  • Requires work gloves for installation
  • May need constant battery tender to prevent jump start
  • Battery life varies between customers
  •  

    The Interstate Batteries 12V 9Ah High Rate Battery is a reliable choice for those in need of backup power. With optimal performance and flexibility, this battery is compatible with a range of Generac generators and other devices. It offers unbeatable backup for non-stop operation, making it ideal for UPS float standby systems and heavy-duty servers. Additionally, Interstate Batteries has a long-standing reputation for providing dependable power. While the battery may require some maintenance and its life span can vary, overall it is a high-quality option. Consider this battery for your emergency lighting, tire inflators, and other applications that require reliable backup power.

     

    The 12V 9AH SLA Replacement Battery for Generac GP8000E Electric Generator is a reliable and efficient power solution for your generator. This maintenance-free battery comes with a UL certification and offers high discharge rate, wide operating temperatures, and a long service life. It has a compact size of 5.94 inches x 2.56 inches x 3.94 inches and can be mounted in any position. The battery is resistant to shocks, vibrations, and performs well in both high and low temperatures. It is backed by a 30-day refund policy and a full 1-year warranty. Please note that the battery does not include wire harness or mounting accessories.

    Key Features

  • 12V 9AH Sealed Lead Acid (SLA) rechargeable battery
  • Dimensions: 5.94 inches x 2.56 inches x 3.94 inches
  • Terminal: Nut and Bolt
  • High discharge rate, wide operating temperatures
  • Resists shocks and vibrations
  • 30-day refund policy, 1-year warranty
  • Specifications

  • N/A
  • Pros

  • UL Certified
  • Maintenance-free
  • Can be mounted in any position
  • Long-lasting performance
  • Cons

  • Battery terminals may be too short for some applications
  •  

    The 12V 9AH SLA Replacement Battery for Generac GP8000E Electric Generator is a solid choice for dependable power backup. With its high discharge rate and wide operating temperatures, it can handle various demanding conditions. Its compact size and versatility make it easy to install, and its resistance to shocks and vibrations ensures reliable performance. While the battery terminals may be short for certain applications, the overall quality and customer service provided by the company make up for it. With a 30-day refund policy and a 1-year warranty, you can have peace of mind knowing that your investment is protected. Power up your generator with this reliable SLA battery.

     

    The 12V 9AH SLA Battery Replacement for Generac GP7500E is a reliable and durable battery that serves as a perfect replacement for your generator. With its high discharge rate, wide operating temperatures, and long service life, this rechargeable maintenance-free battery ensures optimal performance in both high and low temperatures. It can be mounted in any position and resists shocks and vibrations. The battery is UL Certified and backed by a 30-day refund policy and a full 1-year warranty. The battery comes without wire harness or mounting accessories. It has a size of 5.94 inches x 2.56 inches x 3.94 inches. Easy to install, this battery provides a powerful and consistent power source for your Generac GP7500E generator.

    Key Features

  • 12V 9AH Sealed Lead Acid (SLA) rechargeable maintenance-free battery
  • ML9-12NB model with UL Certification
  • Spill-proof design with high discharge rate
  • Wide operating temperatures and long service life
  • Rechargeable and can be mounted in any position
  • Resistant to shocks and vibrations
  • Backed by a 30-day refund policy and 1-year warranty
  • Specifications

  • Size: 5.94 inches x 2.56 inches x 3.94 inches
  • Pros

  • Reliable and durable replacement for Generac GP7500E generator
  • Optimal performance in high and low temperatures
  • Easy to install
  • UL Certified
  • Backed by a refund policy and warranty
  • Cons

  • No wire harness or mounting accessories included
  • No instructions provided regarding initial and regular charging
  •  

    The 12V 9AH SLA Battery Replacement for Generac GP7500E is a great choice for those seeking a reliable and long-lasting battery for their Generac GP7500E generator. With its high discharge rate and wide operating temperatures, this battery ensures consistent performance in any weather conditions. The ability to mount it in any position and its resistance to shocks and vibrations make it a versatile and durable choice. Although it lacks wire harness or mounting accessories, this battery is easy to install and is supported by a refund policy and warranty. Overall, it provides a powerful and reliable power source for your generator.

     

    Take advantage of clean and portable power with the Generac GB1000. Whether you're at home, on a camping trip, or enjoying outdoor activities, this power station provides reliable and emission-free energy. With fast recharging options, a compact design, and a built-in wireless charging pad, it offers convenience and versatility. The informative display allows you to stay informed about the station's status at a glance. The Generac GB1000 is a powerful and reliable solution for all your portable power needs.

    Key Features

  • Clean, Emission-Free Power Anywhere
  • Fast and Versatile Recharging
  • Compact and Durable Design
  • Wireless Charging Convenience
  • Informative Display for Easy Monitoring
  • Specifications

  • Color: Orange,Black
  • Dimension: 14.10Lx10.20Wx12.00H
  • Size: 1086 Watts
  • Pros

  • Clean and emission-free power
  • Fast recharge time
  • Compact and durable design
  • Wireless charging capability
  • Cons

  • Does not hold a charge like advertised
  •  

    The Generac GB1000 Portable Power Station is a versatile and reliable solution for all your portable power needs. With its clean and emission-free power, fast recharge time, compact design, and wireless charging capability, it offers convenience and efficiency wherever you go. The informative display ensures you always have the necessary information at a glance. Although there have been some complaints about its battery holding charge, the overall customer reviews are positive. If you’re looking for a powerful and reliable portable power station, the Generac GB1000 is definitely worth considering.

     

    The 12V 9AH SLA Battery Replacement for Generac XP8000E Generator is a high-quality rechargeable maintenance-free battery designed for use with Generac XP8000E generators. With a size of 5.94 inches x 2.56 inches x 3.94 inches, this battery is compact and easy to install. Its spill-proof design, along with the ability to be mounted in any position, makes it resistant to shocks and vibrations. The battery has a high discharge rate and can perform well in both high and low temperatures. It comes with a 30-day refund policy and a full 1-year warranty, ensuring customer satisfaction and peace of mind. Overall, it provides reliable power backup for your Generac XP8000E Generator.

    Key Features

  • 12V 9AH Sealed Lead Acid (SLA) rechargeable battery
  • Dimensions: 5.94 inches x 2.56 inches x 3.94 inches
  • Spill-proof and can be mounted in any position
  • Wide operating temperature range
  • Backed by a 30-day refund policy and 1-year warranty
  • Specifications

  • Size: 5.94 inches x 2.56 inches x 3.94 inches
  • Pros

  • Good value for the price
  • Easy installation and perfect fit
  • Comes fully charged
  • Works well in various applications
  • Cons

  • Poor orientation of + and – connections for some users
  •  

    The 12V 9AH SLA Battery Replacement for Generac XP8000E Generator offers an excellent value for the price. It provides reliable and long-lasting power backup for Generac XP8000E generators. With its compact design, spill-proof construction, and ability to perform in extreme temperatures, this battery is a dependable choice. The 30-day refund policy and 1-year warranty ensure customer satisfaction. However, some users experienced difficulties with the orientation of the + and – connections. Overall, if you’re looking for a high-performance battery replacement for your Generac XP8000E Generator, this product is worth considering.

     

    The 12V 18AH SLA Battery for Generac 7500 EXL Portable Generator is a reliable and high-performance battery that can be used to power your generator. With its sealed lead acid construction and maintenance-free design, this battery is easy to use and requires no additional accessories. It has a high discharge rate, wide operating temperature range, and long service life. The battery is also resistant to shocks and vibrations, making it ideal for use in various conditions. With a 30-day refund policy and a full 1-year warranty, you can have peace of mind knowing that you are protected. Compatible with the Generac XG10000E generator, this battery is an excellent replacement option that fits perfectly and provides excellent power.

    Key Features

  • 12V 18AH sealed lead acid (SLA) battery
  • UL certified
  • Compact dimensions of 7.17" x 3.03" x 6.57"
  • Spill-proof and resistant to shocks and vibrations
  • Rechargeable and suitable for mounting in any position
  • Backed by a 30-day refund policy and 1-year warranty
  • Specifications

  • Dimension: 7.17Lx3.03Wx6.57H
  • Pros

  • High-performance and reliable
  • Easy to install and use
  • Compatible with Generac XG10000E generator
  • Sealed lead acid construction requires no maintenance
  • Resistant to shocks and vibrations
  • Good value for money
  • Cons

  • Tight fit may require some effort to install or remove
  • Uncertainty about long-term durability
  •  

    The 12V 18AH SLA Battery for Generac 7500 EXL Portable Generator is a solid choice for anyone in need of a reliable and high-performance battery. It offers the convenience of a maintenance-free design and the flexibility of being mountable in any position. The battery’s resistance to shocks and vibrations ensures its durability in various conditions. With positive customer reviews and a reasonable price, it is a good value for money option. However, the tight fit may pose some installation challenges, and there is some uncertainty about its long-term durability. Overall, if you are looking for a replacement battery for your Generac generator, this battery is worth considering.

     

    The ML9-12NB SLA is a 12V 9AH sealed lead acid battery that serves as a replacement for the Generac 0G9449 model. With its UL certification, this rechargeable maintenance-free battery offers high discharge rate, wide operating temperatures, and long service life. Measuring 5.94 inches x 2.56 inches x 3.94 inches, it comes with nut and bolt terminals and can be mounted in any position. This spill-proof battery is resistant to shocks and vibration, making it suitable for use in various conditions. It also includes a 30-day refund policy and a full 1-year warranty for customer satisfaction.

    Key Features

  • 12V 9AH sealed lead acid battery
  • Dimensions: 5.94" x 2.56" x 3.94"
  • Rechargeable and spill-proof
  • Resistant to shocks and vibration
  • Backed by a 30-day refund policy and 1-year warranty
  • Specifications

  • Size: 5.94 inches x 2.56 inches x 3.94 inches
  • Pros

  • UL certified and high performance
  • Can be mounted in any position
  • Long service life
  • Wide operating temperatures
  • Cons

  • Not a direct replacement for Generac 0G9449 (terminals different)
  •  

    The 12V 9AH SLA Battery Replacement for Generac 0G9449 is a reliable and versatile battery that offers excellent performance and durability. With its high discharge rate, long service life, and wide operating temperatures, it is suitable for various applications. The battery’s ability to be mounted in any position and its resistance to shocks and vibration make it a convenient choice. While it may not be a direct replacement for Generac 0G9449 due to different terminals, it still provides reliable power. Overall, this battery is a cost-effective solution for anyone in need of a replacement for their Generac 0G9449 battery.

     

    The Generac Battery Charger 13.4VDC 2.5A is a brand new genuine charger designed for specific Generac models. It is a reliable and authorized Generac dealer product that offers fast and efficient charging. With its black color, it has an appealing appearance that matches various generators. The charger is equipped with a current-limiting feature, allowing it to handle low battery situations. However, some reviewers found it overpriced and lacking in battery protection compared to other chargers on the market. Overall, it is a functional charger that ensures your generator remains up and running.

    Key Features

  • Brand new genuine Generac battery charger
  • Authorized Generac dealer product
  • Fits specific Generac models
  • Current-limited for low battery handling
  • Specifications

  • Color: Black
  • Pros

  • Fast and efficient charging
  • Easy to install with clear instructions
  • Reliable brand
  • Cons

  • Overpriced compared to alternatives
  • Lacks battery protection features
  •  

    The Generac Battery Charger 13.4VDC 2.5A is a reliable charging solution for your Generac generator. While it may be slightly overpriced and lacks certain battery protection features, it still does the job effectively. Its easy installation process and clear instructions make it accessible for users of varying technical knowledge. If you’re looking for a charger that gets the job done and don’t mind the higher price, this Generac charger is a solid option to consider.

     

    Generac Battery Buyer's GuideBefore you dive into the world of Generac batteries, here is a comprehensive guide to help you make an informed decision.

    Factors to Consider

    • Battery Capacity: Assess your power needs and select a Generac battery with sufficient capacity to meet those requirements.
    • Battery Chemistry: Generac batteries come in different chemistries, such as lead-acid and lithium-ion. Each has its advantages and limitations, so choose the one that suits your specific needs.
    • Compatibility: Ensure that the Generac battery you choose is compatible with your intended use, whether it is for backup power, solar energy storage, or RV applications.
    • Maintenance Requirements: Consider the maintenance requirements of the battery, including cleaning, electrolyte levels, and battery health monitoring, to ensure it fits your lifestyle.
    • Durability and Lifespan: Look for Generac batteries that are built to withstand harsh conditions, have a long lifespan, and offer warranties for added peace of mind.
    • Portability: If you require mobility, consider the weight and size of the Generac battery, as well as any additional features that make transportation easier.
    • Charging Options: Evaluate the available charging options for the Generac battery, such as solar panels, grid power, or generators, to ensure compatibility with your setup.

    Types of Generac Batteries

    1. Lead-Acid Batteries:
      • Flooded Lead-Acid (FLA): These batteries have removable caps and require periodic maintenance to replenish electrolyte levels.
      • Sealed Lead-Acid (SLA): Sealed and maintenance-free, SLA batteries are a convenient choice but may have a shorter lifespan compared to FLA batteries.
    2. AGM Batteries (Absorbent Glass Mat):
      • AGM batteries are spill-proof, maintenance-free, and offer enhanced safety and vibration resistance.
      • These batteries are suitable for a wide range of applications, including backup power systems and marine use.
    3. Lithium-Ion Batteries:
      • Lithium-ion batteries provide higher energy density, longer lifespan, and faster recharging compared to lead-acid batteries.
      • They are lightweight, compact, and ideal for portable power needs, such as camping or RVing.
      • Lithium-ion batteries require a battery management system (BMS) for protection and proper charging.

    Factors Affecting Battery Performance

    • Temperature: Extreme temperatures, both hot and cold, can impact battery performance. Consider the temperature range within which the Generac battery can operate optimally.
    • Discharge Rate: Some batteries may not perform as well under high discharge rates, so ensure the battery you choose meets your specific power demands.
    • Depth of Discharge (DOD): The depth to which the battery is discharged affects its lifespan. Restricting DOD can extend the battery's longevity.
    • Charging Environment: Different charging options may have varying impacts on battery performance and lifespan. Ensure the battery is charged using compatible methods.
    • Maintenance: Regular maintenance ensures optimal performance and extends battery life. Follow the recommended maintenance procedures provided by Generac for your selected battery.

     

    FAQ

    Q: Can I use a Generac battery as a backup power source for my home?
    A: Yes, Generac batteries are suitable for backup power applications, providing a reliable source of energy during power outages.

    Q: How do I know which Generac battery is compatible with my specific needs?
    A: Consider factors such as battery capacity, chemistry, and intended use, and refer to Generac’s product specifications and recommendations to identify the most suitable battery.

    Q: Are Generac batteries safe to use indoors?
    A: Yes, Generac batteries are designed with safety in mind and can be used indoors. However, it is essential to follow the manufacturer’s guidelines for proper ventilation.

    Q: Can I recharge a Generac battery using solar panels?
    A: Many Generac batteries can be charged using solar panels. Ensure compatibility between the battery and the solar charging system by referring to the manufacturer’s specifications.

    Q: How long do Generac batteries typically last?
    A: The lifespan of Generac batteries varies depending on factors such as battery chemistry, usage patterns, and maintenance. Refer to the manufacturer’s guidelines for estimated battery life expectancy.