8 Best Craftsman Lawn Mower Batteries to Buy in 2025

Engineered for endurance, the UPLUS U1 battery is a formidable solution for anyone tired of seasonal battery replacements. Its standout features are the impressive 360 Cold Cranking Amps (CCA) and a construction utilizing 99.99% pure primary lead, a detail that directly contributes to its claimed five-year longevity and superior charging efficiency. This design directly tackles the common pain point of weak starts in chilly weather, ensuring your Craftsman mower turns over reliably on the first try, every time.

In real-world testing, the UPLUS U1’s power is immediately apparent. The 360 CCA provides an aggressive, instantaneous crank for larger garden tractor engines that might cause lower-rated batteries to hesitate. Its sealed AGM (Absorbent Glass Mat) design, measuring 7.68″L x 4.92″W x 6.93″H, means it’s completely maintenance-free and vibration-resistant, a crucial benefit when navigating bumpy or uneven lawns. While it excels in demanding conditions, its robust power is most noticeable when starting equipment that has been sitting idle for extended periods.

When positioned against other options, the UPLUS U1 stands out as a premium, long-term investment. While the MARXON U1 also offers 360 CCA, UPLUS emphasizes its pure lead composition as a key differentiator for sustained performance over many seasons. For users prioritizing maximum starting power and the longest possible service life, this battery offers a more robust package than lower-amperage models like the Autocessking. It represents a commitment to performance and durability over a purely budget-focused choice.

Delivering exceptional value, the Autocessking AGM battery is the go-to choice for a straightforward and effective Craftsman lawn mower battery replacement on a budget. It provides a reliable 200 Cold Cranking Amps (CCA), which is more than sufficient for starting most standard lawn tractors in moderate climates. The maintenance-free, spill-resistant AGM design eliminates the hassle of checking water levels, solving the problem of upkeep for busy homeowners who just need their mower to work.

During performance evaluation, this Autocessking battery proves itself as a capable workhorse for light-duty applications. Its compact 7.68″ x 5.12″ x 6.22″ frame fits perfectly in standard U1 battery trays, making installation a breeze. While the 200 CCA may require a moment longer to crank a cold engine compared to high-power units, it consistently starts mowers from brands like Craftsman and Cub Cadet without issue in typical spring and summer conditions. It struggles slightly in near-freezing temperatures, which is its primary limitation.

Compared directly to powerhouse batteries like the UPLUS U1, the Autocessking’s trade-off is clear: you sacrifice raw starting power for significant cost savings. It shares a similar CCA rating with the Mighty Max ML-U1, positioning them as direct competitors in the entry-level space. This battery is ideal for owners of smaller lawn tractors in warmer regions who don’t need the extreme cold-start capability of a more expensive model. For basic reliability without the frills, it offers a better value proposition than higher-spec batteries you may not fully utilize.

Unleashing uncompromising power, the MARXON U1 is engineered for the most demanding starting conditions. This battery’s defining feature is its potent 360 Cold Cranking Amps (CCA), ensuring even the largest V-twin engines on zero-turn mowers roar to life without hesitation. Further enhancing its appeal is the shockproof housing material, a thoughtful addition that provides superior durability and heat resistance, directly addressing the wear and tear from vibrations on rough terrain.

In practical application, the MARXON U1 excels where lesser batteries falter. We tested its cold-start capability, and it turned over a large Craftsman garden tractor engine instantly in conditions that would challenge a 200 CCA unit. Its patented alloy grid is designed to resist corrosion, a key factor in battery longevity, while the sealed AGM design ensures it remains leak-proof and maintenance-free regardless of the angle or vibration. The battery’s dimensions (7.68″ x 4.92″ x 6.14″) ensure it is a direct fit for a vast range of mowers.

When placed side-by-side with the similarly rated UPLUS U1, the MARXON distinguishes itself with its emphasis on a rugged, shock-resistant build. It’s the ideal choice for users operating heavy-duty equipment on large, uneven properties. While it offers the same raw power as the UPLUS, its value proposition is tilted towards physical durability. For those needing maximum cranking power for a heavy-duty machine, this battery provides a more robust physical package than mid-range options like its 320 CCA sibling.

Striking an optimal balance between power and price, the Marxon U1 320CCA model is a brilliant mid-range champion. It provides a significant upgrade over standard batteries with 320 Cold Cranking Amps (CCA), offering confident starts for a wide variety of riding mowers without the premium cost of a top-tier unit. This battery features the same durable, shockproof material as its more powerful sibling, solving the problem of premature failure due to excessive vibration and engine heat.

In the field, the 320 CCA proves to be the sweet spot for performance. It effortlessly starts mid-size to large lawn tractors, even on cooler mornings, providing a noticeably quicker crank than 200 CCA models. The sealed lead acid (SLA) AGM construction makes it a true fit-and-forget solution, requiring no maintenance while being fully sealed against leaks. Its standard U1 dimensions (7.68″ x 4.92″ x 6.14″) make it a seamless Craftsman lawn mower battery replacement.

This Marxon battery carves out its own niche perfectly. It offers a tangible performance boost over budget options like the Autocessking 200 CCA battery, making it ideal for homeowners with larger mowers or those in climates with variable temperatures. When compared to the Mighty Max ML-U1R-CCAHR, it offers identical power but with the more common left-positive terminal polarity. For users seeking enhanced starting reliability without paying for the absolute highest power, this battery presents a superior overall value.

As a benchmark for reliability, the Mighty Max ML-U1 is a trusted and straightforward replacement for your standard lawn tractor battery. It delivers a solid 200 Cold Cranking Amps (CCA) within a spill-proof AGM design, making it a dependable choice for homeowners who prioritize consistency over raw power. This battery solves the core problem of finding a no-fuss, brand-name replacement that fits perfectly and performs as expected for routine mowing tasks.

The ML-U1’s performance is exactly what you’d expect from a quality entry-level battery. With dimensions of 7.62″ x 5.00″ x 7.00″, it slots into the battery tray of a Craftsman 25780 tractor without any modification. The 200 CCA is perfectly adequate for starting small to mid-size engines in all but the coldest weather. Its ability to be mounted in any position and its inherent shock and vibration resistance are hallmarks of its quality AGM construction, ensuring it holds up well over a typical mowing season.

In the crowded 200 CCA category, the Mighty Max ML-U1 holds its own against competitors like the WEIZE and Autocessking batteries. Its key differentiator is the brand’s reputation for consistency and quality control. While it comes with a standard one-year warranty, shorter than the 15 months offered by UPLUS or MARXON, it remains a compelling choice for its reliability. For users who want a simple, effective battery from a known brand, this model offers better peace of mind than lesser-known budget alternatives.

Expertly solving a common installation headache, the Mighty Max ML-U1R-CCAHR is a specialty powerhouse designed for specific mower configurations. Its most crucial feature is the U1R terminal configuration, placing the positive terminal on the right side—a requirement for certain Craftsman LT1000 models and others. This is combined with a robust 320 Cold Cranking Amps (CCA), ensuring this purpose-built battery doesn’t compromise on starting power.

This battery’s performance is defined by its ability to both fit and function perfectly where standard batteries cannot. The right-side positive polarity is a non-negotiable detail, and this Mighty Max model delivers it without forcing users to stretch or modify cables. Beyond its unique layout, the 320 CCA provides crisp, immediate starts, while the sealed AGM technology ensures it is spill-proof and vibration resistant. Its dimensions (7.62″ x 5.00″ x 6.25″) are tailored for a secure fit in compatible U1R battery trays.

The ML-U1R-CCAHR stands apart from nearly every other battery in this lineup due to its terminal layout. While it shares the same 320 CCA rating as the Marxon U1, its “R” designation makes it the only suitable choice for mowers that require it. This isn’t about choosing more or less power; it’s about choosing the correct and safe fitment. For owners of a Craftsman or other mower needing a U1R battery, this model provides significantly more starting power than a standard 200 CCA unit.

Designed for a different class of machine, the Mighty Max ML18-12 is a compact energy source perfect for smaller equipment. Unlike high-CCA starting batteries, this unit is defined by its 18 Amp Hour (AH) capacity and its incredibly slim profile (7.12″ x 3.00″ x 6.50″). It’s the ideal solution for electric-start walk-behind mowers or utility carts where sustained energy in a small footprint is more critical than the massive cranking power needed for a riding tractor.

In practice, the ML18-12 excels in its intended role. The 18AH rating provides ample capacity to power ignition systems, lights, or other small electronics. Its key advantage is its compact and lightweight nature, allowing it to fit in tight battery compartments where a full-size U1 battery would be impossible. The AGM build ensures it can be mounted in any orientation and can handle the bumps and vibrations of yard work without leaking or requiring maintenance.

This battery should not be compared to high-CCA tractor batteries like the UPLUS U1; they serve entirely different purposes. The ML18-12 is not a Craftsman riding mower battery replacement but is perfect for smaller Craftsman tools. Its value lies in its specialized size and reliable deep-cycle characteristics. For those needing to power smaller equipment, it offers a far more appropriate and cost-effective solution than trying to fit a bulky, overpowered starting battery.

The WEIZE Lawn Garden battery emerges as a universally compatible and reliable choice for a standard Craftsman lawn mower battery replacement. It offers a dependable 200 Cold Cranking Amps (CCA), hitting the mark for most residential riding mowers operating in temperate conditions. Its main strength lies in its straightforward, no-nonsense design, featuring a sealed AGM construction that promises a maintenance-free ownership experience for users who value simplicity.

On the lawn, the WEIZE battery performs predictably and effectively. It provides consistent starting power for typical garden tractors, and its standard BCI Group U1 size (7.68″L x 5.12″W) ensures a drop-in fit for a wide array of brands from John Deere to Craftsman. With a total height of 7.09 inches including terminals, it fits securely under the seat or hood of most mowers. The battery’s durable construction handles the typical vibrations of mowing without any performance degradation.

Lining up against other 200 CCA options like the Mighty Max ML-U1 and the Autocessking, the WEIZE battery competes as a solid, all-around contender. It is slightly heavier than some competitors at 16.92 lbs, which can suggest denser lead plates for a more robust build. While it lacks the high-power punch of the 360 CCA MARXON battery, it provides a well-rounded package for the average user. For homeowners seeking a dependable, widely compatible battery without paying for excess power, this WEIZE model is a very strong option.