You might think all lawn mower batteries perform the same, but you’d be missing out on significant runtime and durability differences. Your Craftsman push mower deserves a battery engineered for real-world demands, not just basic specs. We’ve tested seven options that’ll keep you mowing through the entire season. Uncover which ones actually deliver the performance you need.
| CRAFTSMAN V20 Brushless 21″ Self-Propelled Mower (CMCMWSP320X2) |  | Best Overall | Battery Type: Lithium-ion (20V cordless) | Voltage: 20V | Capacity/Amperage: 9Ah (2 batteries included) | VIEW LATEST PRICE | Read Our Analysis |
| Craftsman 20V 8.0Ah Lithium-ion Battery CMCB204/205/206 |  | Premium Upgrade Pick | Battery Type: Lithium-ion (20V) | Voltage: 20V | Capacity/Amperage: 8.0Ah | VIEW LATEST PRICE | Read Our Analysis |
| WEIZE 12V 200CCA AGM Lawn Mower Battery |  | Budget-Friendly Pick | Battery Type: Sealed Lead Acid AGM (12V) | Voltage: 12V | Capacity/Amperage: 200CCA | VIEW LATEST PRICE | Read Our Analysis |
| Mighty Max Battery ML18-12 12V 18AH Craftsman Lawn Mower |  | Best Value | Battery Type: Sealed Lead Acid (12V) | Voltage: 12V | Capacity/Amperage: 18AH | VIEW LATEST PRICE | Read Our Analysis |
| AGM Battery Group 1 for Lawn Mowers and Tractors |  | Most Powerful | Battery Type: Sealed Lead Acid AGM (12V) | Voltage: 12V | Capacity/Amperage: 28Ah/320CCA | VIEW LATEST PRICE | Read Our Analysis |
| ExpertPower 18v 2000mAh NiMh Battery for Craftsman |  | Best For Older Models | Battery Type: NiMH (18V) | Voltage: 18V | Capacity/Amperage: 2000mAh | VIEW LATEST PRICE | Read Our Analysis |
| ELEFLY 20V Battery Compatible with Craftsman V20 Tools |  | Best Replacement Battery | Battery Type: Lithium-ion (20V) | Voltage: 20V | Capacity/Amperage: 3.0Ah (3000mAh) | VIEW LATEST PRICE | Read Our Analysis |
More Details on Our Top Picks
CRAFTSMAN V20 Brushless 21″ Self-Propelled Mower (CMCMWSP320X2)
If you’re managing a half-acre lawn and value convenience over manual labor, the V20 self-propelled mower delivers the efficiency you need. You’ll get up to 70 minutes of runtime with two 9Ah batteries, ensuring you can complete most residential properties without recharging. The brushless motor maximizes power and runtime efficiency, while dual blades provide superior cutting performance. Its 3-in-1 steel deck lets you mulch, bag, or side discharge based on your preferences. LED headlights extend your mowing window into early mornings or dusk. The one-touch folding handle reduces storage space by 79%, making vertical storage practical. At 84 pounds, it’s manageable yet substantial enough for reliable self-propulsion across various terrain types.
- Battery Type:Lithium-ion (20V cordless)
- Voltage:20V
- Capacity/Amperage:9Ah (2 batteries included)
- Weight:84 lbs (mower)
- Warranty:Included with mower
- Compatibility:Craftsman V20 system
- Additional Feature:One-touch folding handle
- Additional Feature:LED headlights included
- Additional Feature:Up to 70 minutes runtime
Craftsman 20V 8.0Ah Lithium-ion Battery CMCB204/205/206
The Craftsman 20V 8.0Ah Lithium-ion Battery stands out for users who won’t settle for frequent recharging during yard work. You’ll get 4X longer runtime than standard batteries, letting you complete tasks in half the time. This battery works seamlessly with your Craftsman 20V cordless mower, leaf blower, chainsaw, and string trimmer. It features fast charging, shock-resistant construction, and intelligent cooling technology that guards against overheating and overcharging. You’ll appreciate the built-in LED fuel gauge showing remaining power. The battery maintains peak performance for three years, backed by a two-year warranty and free replacement services.
- Battery Type:Lithium-ion (20V)
- Voltage:20V
- Capacity/Amperage:8.0Ah
- Weight:Not specified
- Warranty:2-year warranty
- Compatibility:Craftsman 20V cordless tools
- Additional Feature:4X longer runtime capacity
- Additional Feature:Built-in LED fuel gauge
- Additional Feature:Fast charging capability
WEIZE 12V 200CCA AGM Lawn Mower Battery
Are you searching for a dependable replacement battery that’ll work seamlessly with your Craftsman mower? The WEIZE 12V 200CCA AGM lawn mower battery delivers reliable starting power for your equipment. This maintenance-free SLA battery features 200 cold cranking amps, ensuring consistent engine starts in various conditions. Its durable AGM construction provides high reserve capacity and longevity. Compatible with Craftsman, John Deere, Toro, and Cub Cadet mowers, it measures 7.68″ × 5.12″ × 6.22″ and weighs 21.5 lbs. The square hole nut-and-bolt terminals offer straightforward installation. With a 4.6-star rating from over 2,000 customers and a one-year warranty, this battery represents a solid investment for season-long performance.
- Battery Type:Sealed Lead Acid AGM (12V)
- Voltage:12V
- Capacity/Amperage:200CCA
- Weight:21.5 lbs
- Warranty:1-year warranty
- Compatibility:John Deere, Toro, Cub Cadet, Craftsman
- Additional Feature:200 cold cranking amps
- Additional Feature:Maintenance-free AGM technology
- Additional Feature:Square hole nut bolt
Mighty Max Battery ML18-12 12V 18AH Craftsman Lawn Mower
Craftsman Black Lawn Mower owners seeking a reliable replacement battery won’t find a better match than the Mighty Max ML18-12. This 12V 18AH sealed lead acid battery delivers consistent power for your Model 90508011 mower all season long. You’ll appreciate its high discharge rate, deep discharge recovery, and maintenance-free design. At 6.7 pounds, it’s lightweight yet durable enough to withstand shock and vibration from regular mowing. The nut-and-bolt terminal guarantees secure connections, while spill-proof construction keeps your equipment safe. You’re protected by a one-year manufacturer’s warranty plus Amazon’s 30-day return guarantee, giving you confidence in your purchase.
- Battery Type:Sealed Lead Acid (12V)
- Voltage:12V
- Capacity/Amperage:18AH
- Weight:6.7 lbs
- Warranty:1-year warranty
- Compatibility:Craftsman Model 90508011
- Additional Feature:Deep discharge recovery
- Additional Feature:High/low temperature performance
- Additional Feature:Shock and vibration resistant
AGM Battery Group 1 for Lawn Mowers and Tractors
If you’re operating a John Deere, Toro, Cub Cadet, or Craftsman mower that needs reliable starting power, you’ll find the AGM Battery Group 1 an excellent fit. This 12V 28Ah sealed lead-acid battery delivers 320CCA, ensuring consistent performance throughout your mowing season. Its integrated Battery Management System protects against overcharge, overdischarge, short-circuit, and overheating—keeping your equipment safe. With a 4.6-star rating from 242 reviews and a one-year warranty backing your purchase, you’re investing in dependable quality. The 30-day return guarantee means you can confidently upgrade your mower’s power without risk.
- Battery Type:Sealed Lead Acid AGM (12V)
- Voltage:12V
- Capacity/Amperage:28Ah/320CCA
- Weight:Not specified
- Warranty:1-year warranty
- Compatibility:John Deere, Toro, Cub Cadet, Craftsman
- Additional Feature:Integrated battery management system
- Additional Feature:320 cold cranking amps
- Additional Feature:28Ah extended capacity
ExpertPower 18v 2000mAh NiMh Battery for Craftsman
You’ll want the ExpertPower 18V 2000mAh NiMH battery if you’re looking for a reliable, affordable replacement that matches or exceeds OEM specifications without the premium price tag. This rechargeable battery delivers solid performance across Craftsman’s 11098, 11103, and 223310 models, among others. With built-in circuit protection and high-quality materials, you get dependable power for extended yard work sessions. Weighing 1.7 pounds and featuring NiMH cell technology, it’s lightweight enough for comfortable handling. The battery’s 2000mAh capacity guarantees consistent output throughout the season, making it a practical choice for budget-conscious homeowners seeking durability without breaking the bank.
- Battery Type:NiMH (18V)
- Voltage:18V
- Capacity/Amperage:2000mAh
- Weight:1.7 lbs
- Warranty:30-day return guarantee
- Compatibility:Craftsman models 11098, 11103, 223310, and others
- Additional Feature:Built-in circuit protection
- Additional Feature:High-quality NiMH cells
- Additional Feature:Tested OEM spec matching
ELEFLY 20V Battery Compatible with Craftsman V20 Tools
For those seeking a reliable replacement battery for their Craftsman V20 cordless tools, the ELEFLY 20V Battery delivers extended runtime through its 3.0Ah lithium capacity and high-quality cell construction. You’ll appreciate the 3-LED state of charge indicator that keeps you informed during operation. This battery weighs just 14.4 ounces and fits seamlessly into Craftsman V20 series tools and chargers. However, note that it won’t work with Diehard or Bolt-On series batteries. With a 4.2-star rating from over 674 customers and FCC/RoHS/CE certification, you’re getting a dependable option that’ll power through your mowing season without constant recharging interruptions.
- Battery Type:Lithium-ion (20V)
- Voltage:20V
- Capacity/Amperage:3.0Ah (3000mAh)
- Weight:14.4 oz
- Warranty:Not specified
- Compatibility:Craftsman V20 series tools
- Additional Feature:3-LED state charge indicator
- Additional Feature:3000mAh lithium capacity
- Additional Feature:Extended runtime capability
Factors to Consider When Choosing a Battery for Craftsman Push Mower
When you’re shopping for a Craftsman push mower battery, you’ll want to evaluate how voltage and capacity align with your mowing needs and equipment compatibility. You should also weigh runtime requirements against charging speed, since a faster-charging battery might offer better convenience for frequent use. Finally, you’ll benefit from comparing battery chemistry options and warranty coverage to guarantee you’re investing in a product that’ll last through multiple seasons.
Battery Voltage And Compatibility
Selecting the right battery voltage is critical—it’s the foundation that determines whether your mower’ll operate efficiently or perform poorly. Craftsman push mowers typically require either 20V or 60V batteries, so you’ll need to verify your specific model’s requirements before purchasing.
Using an incompatible voltage damages your mower’s motor and voids warranties. You can’t substitute a 20V battery in a 60V mower or vice versa. Check your mower’s manual or nameplate for the exact voltage specification.
Compatibility extends beyond voltage alone. You’ll also need to ascertain the battery connector matches your mower’s charging port. Different Craftsman generations use varying connector designs, so verify compatibility before investing in new batteries for your equipment.
Runtime And Capacity Requirements
Once you’ve confirmed your mower’s voltage and connector compatibility, you’ll need to evaluate runtime and capacity—two interconnected specifications that directly impact how long your mower operates between charges. Runtime, measured in minutes, determines how much area you’ll cover on a single charge, while battery capacity in amp-hours (Ah) directly enables extended operation before recharging becomes necessary.
Match these specifications to your lawn size for efficient, uninterrupted mowing. A larger property demands higher capacity and longer runtime to avoid mid-job recharging. Additionally, brushless motors in modern cordless mowers deliver superior runtimes compared to older brushed models. By aligning your battery’s runtime and capacity with your lawn’s dimensions and your mowing needs, you’ll guarantee optimal performance throughout the season.
Battery Type And Chemistry
What battery chemistry will best serve your Craftsman push mower? You’ll find three main options to evaluate. Lithium-ion batteries offer superior performance with high energy density, extended cycle life, and minimal self-discharge—making them the top choice for most modern Craftsman models. If you’re operating an older mower, you might encounter nickel-metal hydride batteries, though these are largely outdated. Sealed lead-acid batteries provide reliable power at a lower cost but deliver shorter runtimes. For durability and vibration resistance, maintenance-free AGM lead-acid batteries present a solid middle ground. When selecting your battery, match the voltage—typically 20V for Craftsman V20 models—and capacity in amp-hours to your mower’s specific power and runtime needs.
Charging Speed And Convenience
Beyond chemistry and voltage specifications, charging speed and convenience substantially impact your ownership experience with a Craftsman push mower. You’ll appreciate fast-charging batteries that get you back to mowing quickly when your battery depletes mid-session. Compatibility with rapid chargers minimizes downtime between mowing sessions, keeping you productive throughout your yard work. Integrated fuel gauges provide clear runtime indicators, preventing unexpected shutdowns that interrupt your workflow. Smart charging features like overcharge protection extend battery lifespan, protecting your investment over multiple seasons. Lightweight, compact battery designs make swapping between the mower and charger effortless, enhancing overall convenience. When evaluating Craftsman batteries, prioritize models offering quick recharge times and user-friendly charging systems that streamline your maintenance routine.
Warranty And Longevity Features
A solid warranty backs up the manufacturer’s confidence in their battery’s durability, so you’ll want to secure at least a 1-year guarantee that protects your investment against defects and premature failure. Beyond warranty coverage, prioritize batteries engineered specifically for lawn mower applications. These are built to withstand constant vibration and heavy-duty demands that standard batteries can’t handle.
Look for advanced protection features like overcharge and discharge safeguards that considerably extend your battery’s lifespan. Check the charge cycle rating—higher numbers mean more seasons of reliable performance. Research customer reviews focusing on long-term durability rather than initial impressions. Real-world longevity feedback reveals which batteries truly last all season and beyond, ensuring you’re investing in proven performance rather than empty promises.
