10 Best Affordable Car Batteries 2026 in the United States

The Weize Platinum AGM Battery BCI Group 48-12v is a solid choice for those seeking an affordable and reliable automotive battery. With a 70AH capacity and 760 Cold Cranking Amps (CCA), it can effectively power most vehicles even in extreme temperatures. The battery's AGM (Absorbent Glass Mat) technology offers improved durability and safety, reducing the risk of leaks and enhancing resistance to heat and cold. This makes it a versatile option for various vehicle types, including luxury and high-performance cars, as well as off-road vehicles.

Additionally, its low self-discharge rate ensures better maintenance of charge, which is particularly useful in hot climates or infrequent use scenarios. The battery also boasts a respectable 120-minute Reserve Capacity (RC), providing extended power if needed. Weize offers a 3-year warranty, reflecting confidence in the product's longevity and reliability. Buyers must ensure compatibility with their vehicle by checking the dimensions and terminal locations, as the 'amazonconfirmedfit' feature is reportedly unreliable.

The Mighty Max MM-H5 is a sealed AGM (Absorbent Glass Mat) car battery designed for reliable starts in various weather conditions, delivering 680 cold cranking amps (CCA) which is solid for most small to mid-sized vehicles. Its 100-minute reserve capacity means it can power your car’s essentials for a reasonable time if the alternator fails, making it a dependable choice. Sized as Group 47, it’s fairly compact and should fit many vehicles, though you’ll want to confirm your car’s size requirements before buying.

The battery’s construction is rugged, resistant to shock and vibration, and built to withstand harsh environments, which adds to its reliability. Mighty Max is known for quality batteries and backs this model with a 3-year warranty, giving you peace of mind. Installation is straightforward with included mounting screws, but note that wiring accessories aren’t provided.

Some users might find it on the heavier side at 40 pounds, and while the battery performs well, it’s not designed for very high-demand vehicles or extreme cold climates that require higher CCA. If you want a mess-free, maintenance-free battery that balances cost, durability, and performance, the MM-H5 is a strong contender for an affordable car battery.

The Mighty Max MM-G35 is a solid choice if you're looking for an affordable, reliable car battery in Group Size 35. It offers 650 Cold Cranking Amps (CCA), which means it provides strong, steady starts even in cold weather—important if you live somewhere with chilly winters. Its 100-minute Reserve Capacity (RC) supports longer run times for your car’s electrical systems when the engine isn't running, which can be useful if you use accessories without the engine on.

Made with AGM (Absorbed Glass Mat) technology, this battery is sealed and spill-proof, so it requires no maintenance and handles vibrations and shocks well. This makes it durable for everyday driving and rough conditions. The battery’s size and terminal placement are standard, fitting most vehicles that accept Group 35 batteries without hassle.

Mighty Max has a decent reputation for making batteries in ISO-certified facilities meeting safety standards, giving extra confidence in quality. The included 3-year warranty adds peace of mind for long-term use. Installation is straightforward, with mounting screws included, though you’ll need to provide your own wiring and mounting accessories. At 39.9 pounds, it’s somewhat heavy to handle, and while its amperage (55Ah) is adequate for many cars, it might not suit vehicles with very high power demands. Also, while Mighty Max is reputable, it’s not as widely recognized as some big brand names, which might matter if you prioritize brand prestige. If you want a balance of power, durability, and warranty at a budget-friendly price, the Mighty Max MM-G35 is a practical pick, especially for standard cars needing reliable starts and steady performance.