When it’s time to replace the 12V battery in your 2008 Toyota Prius, choosing the right one can make a big difference in reliability and performance. With so many options available in 2025, it’s important to understand which batteries stand out for durability and power. This guide highlights the top choices to keep your Prius running smoothly—so you can stay focused on what’s ahead. Keep going to find out which batteries lead the way.

Weize Platinum AGM Battery BCI Group 47-12V 60Ah

The Weize Platinum AGM Battery BCI Group 47-12V stands out as an excellent choice for 2008 Toyota Prius owners seeking reliable, high-performance power. With a 60Ah capacity and 680 Cold Cranking Amps, it delivers quick starts even in cold weather. Its 100RC reserve capacity ensures extended reliability, while the leak-proof, vibration-resistant design offers durability and safety. The battery is built to handle start-stop technology and high accessory loads, providing consistent power over time. Its compact size and tapered terminals make installation straightforward. Plus, it comes with a 3-year warranty, giving you peace of mind for long-term performance.

Best For: Toyota Prius owners seeking a reliable, high-performance AGM battery with quick starting power and durability for start-stop systems.

Pros:

• High Cold Cranking Amps (680A) for reliable cold-weather starts
• Long-lasting with a 3-year warranty and 100RC reserve capacity
• Leak-proof, vibration-resistant, and maintenance-free design for durability and safety

Cons:

• Needs to be verified for exact dimensions and terminal placement before installation
• May be more expensive than conventional batteries due to advanced features
• Compatibility limited to vehicles with similar size and power requirements

Mighty Max Battery MM-H4 Group Size 140R 12V 50Ah Replacement Battery

If you’re looking for a reliable replacement battery for your Toyota Prius Prime from 2017, the Mighty Max Battery MM-H4 Group Size 140R stands out with its impressive 50Ah capacity and 570 Cold Cranking Amps. This sealed lead acid (SLA), maintenance-free battery offers high discharge rates and performs well across a wide temperature range. Its robust design ensures long service life, with deep discharge recovery and resistance to shocks and vibrations. Weighing 35.7 pounds and measuring 8 x 6.75 x 7.44 inches, it provides dependable power. Plus, it comes with a full three-year warranty, making it a reliable choice for your vehicle’s needs.

Best For: vehicle owners seeking a reliable, high-performance replacement battery for their 2017 Toyota Prius Prime or similar vehicles requiring a durable, maintenance-free power source.

Pros:

• High cold cranking amps (570 CCA) ensure reliable starting in extreme weather conditions
• Long-lasting with deep discharge recovery and up to twice the cycle life of traditional batteries
• Resistant to shocks and vibrations, suitable for demanding driving environments

Cons:

• Relatively heavy at 35.7 pounds, which may require assistance during installation
• Dimensions may not fit all vehicle compartments without verification
• Sealed lead acid design requires proper handling and recycling at end of life

OPTIMA YellowTop DS46B24R Dual Purpose Car Battery

For drivers seeking a reliable, high-performance battery that handles demanding electrical loads and tough weather conditions, the OPTIMA YellowTop DS46B24R dual purpose battery stands out. Its sealed AGM design with Spiralcell Technology ensures maximum durability, vibration resistance, and long lifespan—up to three times longer than standard batteries. With 450 cold cranking amps, it delivers strong starting power even in cold weather. Weighing 26 pounds, it’s maintenance-free and easy to install with basic tools. Perfect for vehicles with high electrical demands, this battery provides consistent performance, making it a dependable choice for your 2008 Toyota Prius in 2025.

Best For: drivers with high electrical demands and challenging weather conditions seeking a durable, maintenance-free battery for reliable vehicle starting and power.

Pros:

• Exceptional vibration resistance and long lifespan, up to three times longer than standard batteries
• Strong cold cranking power of 450 CCA ensures reliable startup in cold weather
• Maintenance-free sealed AGM design simplifies installation and upkeep

Cons:

• Slightly heavier at 26 pounds, which may impact installation ease in some vehicles
• Some users report issues with longevity and voltage output over time
• Replacement and warranty processes may require persistence to secure refunds or support

ExpertPower 12v 33ah Rechargeable Deep Cycle Battery [EXP1233 ]

Looking for a reliable deep cycle battery to power your hybrid or electric vehicle? The ExpertPower 12V 33Ah Rechargeable Deep Cycle Battery [EXP1233] might be just what you need. This sealed lead-acid battery uses AGM technology, making it durable and maintenance-free. Its rugged design allows it to operate across a wide temperature range, ensuring consistent performance. Weighing about 21.6 pounds, it features M6 terminals for easy installation. With a 33-amp capacity, it’s suitable for applications like solar power, security systems, and electric scooters. Rated 4.3 out of 5 stars, it’s a dependable choice for reliable power in your vehicle or home system.

Best For: DIY enthusiasts, homeowners, and small to medium electronic device users seeking a reliable, maintenance-free deep cycle battery for solar, security, or mobility applications.

Pros:

• Rugged AGM technology ensures durability and maintenance-free operation.
• Wide temperature range allows reliable performance in various environments.
• Suitable for multiple applications including solar power, security systems, and electric scooters.

Cons:

• Some users report limited battery longevity under heavy or prolonged use.
• Heavier than comparable batteries at 21.6 pounds, which may affect portability.
• Charging issues reported by a few customers suggest the need for compatible maintenance chargers.

ACDelco Gold Auxiliary AGM 200 CCA Battery (AUX14-200)

The ACDelco Gold Auxiliary AGM 200 CCA Battery (AUX14-200) stands out as a reliable choice for those seeking a maintenance-free, high-performance auxiliary battery for their 2008 Toyota Prius. Featuring AGM technology, it requires no water or spills, making installation and upkeep simple. Its leak-proof pressurized valve system prevents dry-out and acid damage, while high-density plates deliver maximum power-per-pound for dependable deep cycle performance. Built with heavy top leads and large connections, it offers enhanced durability and vibration resistance. Backed by a 36-month warranty, this battery seamlessly fits a variety of vehicles, ensuring safe, reliable auxiliary power for years to come.

Best For: vehicle owners seeking a maintenance-free, high-performance auxiliary AGM battery for reliable deep cycle power in a variety of makes and models, including Toyota Prius.

Pros:

• Maintenance-free AGM technology requiring no water or spills
• Leak-proof pressurized valve system prevents dry-out and acid damage
• Durable with high-density plates and vibration-resistant construction

Cons:

• May be more expensive than traditional flooded lead-acid batteries
• Compatibility limited to vehicles meeting specific fit and function standards
• Requires proper installation to ensure maximum safety and performance

A1 Cardone 5H-4002 Hybrid Battery (Remanufactured Toyota Prius 04-09 Gen 2)

If you’re seeking an affordable and reliable replacement for your 2008 Toyota Prius’s hybrid battery, the A1 Cardone 5H-4002 stands out as a solid option. This remanufactured hybrid battery features balanced nickel metal hydride cells designed for compatibility with Gen 2 Priuses (2004-2009). It’s easy to install, with many users completing the process in under 15 minutes. Although it may have a shorter lifespan than a brand-new unit, it provides dependable performance and effective charging, with positive reviews highlighting value and good customer support. Plus, it offers significant savings compared to dealer prices, making it a practical choice for your Prius.

Best For: Budget-conscious Toyota Prius owners seeking a cost-effective, reliable remanufactured hybrid battery replacement with straightforward installation.

Pros:

• Easy to install, often in under 15 minutes with minimal tools required
• Significant cost savings compared to dealer prices, offering great value
• Positive customer reviews for dependable performance and responsive support

Cons:

• Shorter lifespan than a new battery, with expectations of several years of service
• Made from refurbished cells, which may vary slightly in longevity and performance
• Limited warranty period (30 days), potentially requiring future replacement or support

ACDelco – Advantage AGM Hybrid Vehicle Battery

The ACDelco Advantage AGM Hybrid Vehicle Battery stands out as a reliable choice for those seeking a durable and maintenance-free power source for their hybrid vehicle. Designed with AGM technology, it offers enhanced durability and better performance under demanding conditions. Although ratings are mixed, its reputation as a best seller in the automotive replacement battery category shows its popularity. With a 30-day return policy and available warranty, you can buy with confidence. Keep in mind, fitment may vary, so double-check compatibility with your 2008 Prius before purchasing. Overall, this battery provides a solid option for reliable hybrid power.

Best For: hybrid vehicle owners seeking a maintenance-free, durable, and reliable battery for demanding driving conditions.

Pros:

• AGM technology offers enhanced durability and performance under demanding conditions.
• Maintenance-free design reduces ongoing upkeep and hassle.
• Popular best seller status indicates trusted performance and customer satisfaction.

Cons:

• Customer ratings are mixed, with some users reporting fitment issues.
• Compatibility may vary; double-check your vehicle’s model before purchasing.
• Slightly lower overall rating suggests some users experienced performance or fitment concerns.

Interstate 12V 35AH Sealed Lead Acid Battery

Looking for a reliable power source to keep your electric mobility devices running smoothly? The Interstate 12V 35AH Sealed Lead Acid Battery is a solid choice. It’s a deep cycle AGM battery designed for long-lasting performance, supporting wheelchairs and scooters. Weighing 22.9 pounds, it features a maintenance-free, spill-proof design, ensuring safe, dependable use. With a 12-volt capacity and 35 amp hours, it offers plenty of power. Tested rigorously and backed by a 12-month warranty, this battery is built for durability and reliability. Its compatibility with various brands makes it versatile, making it an ideal backup or primary power source for your mobility needs.

Best For: individuals seeking a reliable, maintenance-free deep cycle battery to power electric wheelchairs, scooters, and other mobility devices.

Pros:

• Designed for long-lasting deep cycle performance with a 35Ah capacity.
• Maintenance-free and spill-proof AGM technology ensures safe and easy use.
• Backed by a 12-month warranty and rigorous quality testing for durability.

Cons:

• Heavier at 22.9 pounds, which may be cumbersome for some users to handle or transport.
• Variable battery life noted by some users across different purchases.
• Compatibility may require specific terminal fittings or installation adjustments.

Prius Hybrid Battery 2004-09, Guaranteed Reconditioned, 2 yr warranty

For Prius owners seeking a reliable and cost-effective replacement, the Prius Hybrid Battery 2004-09 offers a guaranteed reconditioned option backed by a two-year warranty. Manufactured by HybridCPR, this battery is designed to restore performance and extend your vehicle’s life. It has received top customer reviews, earning a perfect 5.0-star rating from one buyer. Priced competitively, it’s available through Amazon with a 30-day return policy. With its proven track record and warranty coverage, this reconditioned battery provides peace of mind, ensuring your Prius runs smoothly and efficiently for years to come.

Best For: Prius owners seeking a reliable, cost-effective replacement battery with a warranty to restore vehicle performance and extend lifespan.

Pros:

• Guaranteed reconditioned with a 2-year warranty for peace of mind
• Positive customer reviews with a perfect 5-star rating
• Competitively priced with a straightforward 30-day return policy

Cons:

• Limited customer reviews available, only one rating noted
• Availability may be subject to stock fluctuations on Amazon
• As a reconditioned product, some users may prefer new batteries for maximum longevity

Toyota Key Fob Replacement Batteries CR1632 (2-Pack)

If you own a compatible Toyota model like the Prius (2010-2015) or Corolla (2009-2014), these CR1632 replacement batteries are an excellent choice to keep your key fob functioning reliably. This 2-pack includes high-quality, original premium batteries that are easy to install and require no programming. With compatibility spanning several models, including the Camry, RAV4, Highlander, and more, you can confidently replace your key fob batteries yourself in just minutes. Always verify compatibility using the provided guide to ensure a perfect fit. Keep your key fob responsive and avoid unexpected lock or unlock issues with this convenient, cost-effective solution.

Best For: Toyota vehicle owners with compatible key fobs seeking an easy, cost-effective way to replace their batteries without professional help.

Pros:

• Easy to install with a simple, no-programming-needed process.
• Includes two high-quality, original premium CR1632 batteries for convenience.
• Compatible with multiple Toyota models, ensuring broad applicability.

Cons:

• Not compatible with 2016 or newer models (except 4Runner up to 2019).
• Actual key fob is not included, only the batteries.
• Requires verification of compatibility using the provided guide to ensure proper fit.

Factors to Consider When Choosing a 2008 Toyota Prius 12V Battery

When choosing a 2008 Toyota Prius 12V battery, you need to consider several key factors to ensure reliable performance. Make sure the battery fits your car’s size and compatibility, and pay attention to cold cranking power and reserve capacity for consistent starts. Additionally, think about durability, endurance, and maintenance needs to find a battery that will last and meet your driving demands.

Battery Compatibility and Size

Choosing the right 12V battery for your 2008 Toyota Prius depends heavily on matching its size and terminal configuration to ensure a secure fit and proper connection. You should look for a battery that fits within the dimensions of approximately 9.52 L x 6.89 W x 7.48 H inches. This ensures it fits snugly in the battery compartment without modifications. Additionally, the terminal setup is critical; the Prius uses a tapered terminal configuration with the negative terminal on the left and positive on the right, so your replacement must match these specifics. Proper sizing and terminal compatibility prevent installation issues and ensure reliable electrical connections, which are essential for your vehicle’s performance and safety. Always verify these details before purchasing a new battery.

Cold Cranking Power

Cold cranking power is a vital factor to consider when selecting a 2008 Toyota Prius 12V battery because it determines how well the battery can start your vehicle in cold conditions. Cold Cranking Amps (CCA) measure this, indicating how much current the battery can deliver at 0°F for 30 seconds while maintaining at least 7.2 volts. For reliable starts in winter, aim for a higher CCA rating, especially if you face harsh climates. Typical CCA requirements for the Prius range from 450 to 680, but choosing a battery with a CCA exceeding the manufacturer’s specifications offers added assurance during extreme cold. A higher CCA ensures your vehicle starts promptly and reliably, preventing frustrating delays and potential battery failures in winter conditions.

Reserve Capacity Importance

Reserve capacity (RC) is a crucial factor to consider because it determines how long your 2008 Toyota Prius can run on battery power alone if the charging system fails. A higher RC rating, ideally 80 minutes or more, ensures your vehicle’s essential electrical systems stay operational during an emergency. This is especially important in hybrid vehicles, where energy management and supporting additional electronics are vital. Choosing a battery with sufficient reserve capacity helps prevent situations where your car might struggle to start or maintain power under high electrical demands. It also contributes to the overall lifespan and reliability of your battery, as it allows for more efficient cycling and recharging during regular use. Ensuring good reserve capacity gives you peace of mind and dependable vehicle performance.

Durability and Endurance

Durability and endurance are vital when selecting a 12V battery for your 2008 Toyota Prius because they directly impact the battery’s lifespan and reliable performance. Look for batteries designed to withstand vibrations, especially those rated to resist up to 15 times more than standard flooded models, ensuring longevity in rough conditions. Higher Cold Cranking Amps (CCA)—680A or more—improve starting power in cold weather, preventing unexpected stalls. Batteries with higher reserve capacity—100 minutes or more—offer extended power during outages or emergencies. Opt for maintenance-free designs, like AGM technology, which prevent leaks and reduce upkeep needs. Additionally, consider batteries that operate effectively within extreme temperatures, from -22°F to 158°F, to ensure consistent performance year-round.

Maintenance Requirements

When selecting a 12V battery for your 2008 Toyota Prius, understanding its maintenance needs helps ensure reliable performance over time. Many AGM batteries are maintenance-free, so you won’t need to check water levels or refill electrolyte regularly. However, if your vehicle isn’t used often, you may need to periodically charge the battery to prevent deep discharges that can shorten its lifespan. Keeping the battery terminals clean and free of corrosion is essential for optimal performance and longevity. Some batteries have a low self-discharge rate, meaning they can hold a charge for months without use, but regular checks are still recommended. Monitoring voltage and cold cranking amps (CCA) can help identify when maintenance or replacement is necessary, especially in extreme weather conditions.

Warranty Coverage

Choosing a 12V battery with the right warranty coverage is essential to ensure your 2008 Toyota Prius remains reliable and protected against defects. Look for warranties that typically range from 2 to 3 years, showing manufacturer confidence in the product’s durability. A longer warranty offers better peace of mind, especially given your Prius’s high accessory demands. Some brands provide extended warranty options that cover defects in materials and workmanship, adding extra value. Keep in mind, warranty claims often require proper installation and usage, so follow the manufacturer’s guidelines carefully to avoid voiding coverage. Carefully review the warranty details, as some may include specific conditions or requirements. Doing so will help you choose a battery that’s reliable and well-protected for years to come.

Cost and Value

Evaluating the cost and value of a 12V battery for your 2008 Toyota Prius involves comparing prices across different options, which can range from about $100 to over $300 depending on technology and capacity. Higher CCA ratings provide better cold-start performance, especially in winter, adding value if you face cold climates. A higher reserve capacity (RC) means longer power availability for accessories when the engine isn’t running, increasing overall usefulness. Also, consider the warranty length—longer warranties reflect greater manufacturer confidence and protect your investment. While batteries with longer lifespan and lower maintenance might cost more upfront, they can save you money over time by reducing replacement frequency. Balancing initial cost with these features ensures you choose a reliable, cost-effective battery for your Prius.