10 Best Car Battery 2025 in the United States

The Mighty Max MM-H7 is a solid choice for drivers needing a reliable 12V car battery, especially if your vehicle uses Group 94R size batteries. Its 850 Cold Cranking Amps (CCA) means it provides strong starting power, which is important for cold weather or quick starts. The 140-minute Reserve Capacity (RC) also helps the battery last longer if your car’s electrical system demands power while the engine is off. Being an AGM (Absorbent Glass Mat) battery, it’s sealed and spill-proof, which reduces maintenance and improves durability against shocks and vibrations. This makes it suitable for various driving conditions and environments.

The size and weight are typical for this type of battery, and it’s designed for easy installation with included mounting screws, although you might need to get wiring separately. The 3-year warranty adds peace of mind, reflecting confidence in its longevity. Mighty Max has a decent reputation with generally positive user reviews, though it’s not among the most famous brands, which some might consider. If you want a dependable, maintenance-free battery that performs well in different temperatures and offers flexible installation, this model fits well. For those seeking the absolute top-tier brand or the highest industry ratings, comparing it with a few other options before deciding is advisable.

The Mighty Max MM-H6 is a reliable 12V AGM car battery with a Group 48 size, making it compatible with many vehicles. It offers a solid 760 Cold Cranking Amps (CCA), which means it delivers strong starting power even in cold weather, suitable for most climates and seasons. With a Reserve Capacity (RC) of 120 minutes, it can support your car's electrical needs during short power interruptions or when the engine isn't running. The AGM (Absorbent Glass Mat) type means the battery is sealed and spill-proof, reducing maintenance and mess, while also being resistant to shocks and vibrations—good for tougher driving conditions.

It’s rechargeable and can be mounted in different positions except upside down, giving some flexibility in installation. The battery comes with mounting screws but does not include wiring accessories, so you may need to arrange those yourself. A 3-year warranty adds peace of mind, reflecting confidence in its durability. Mighty Max is known for quality manufacturing and safety certifications, which helps build trust in the product.

While sturdy and versatile, its 70Ah capacity is average and may not suit vehicles demanding higher power or long-term heavy accessory use. Also, it weighs nearly 50 pounds, so handling during installation might be challenging for some. This battery is well suited for drivers looking for dependable, maintenance-free power with good cold-weather performance at a reasonable price, especially for everyday cars rather than high-performance or large vehicles.

The Interstate Batteries MTX-48/H6 automotive battery is a solid choice if you're looking for a reliable replacement for your car, SUV, sedan, or truck. It has a Group Size H6 (48), which fits many common vehicle types. With 760 Cold Cranking Amps (CCA), it provides strong starting power, especially useful in colder weather when engines need more energy to start. This battery uses Absorbed Glass Mat (AGM) technology, meaning it is spill-proof, maintenance-free, and vibration resistant—features that add convenience and durability. Its design packs more lead inside, promising up to 2 to 3 times longer life compared to traditional batteries, making it a good pick if you want something that lasts. Interstate Batteries has a strong reputation for quality and reliability, backed by decades of experience, which adds confidence in this battery’s dependability.

At about 45 pounds, it’s a typical weight for AGM batteries in this size, so installation might require some care. If you want a battery that balances solid starting power, low maintenance, and longer life, this Interstate model is worth considering—just be sure it fits your car’s size requirements and ask your retailer about warranty and price to ensure it meets your needs.