Many lawn care shoppers begin with a simple question: does Walmart sell lawn mower batteries in store and online. You can find common sizes for walk-behind mowers, cordless models, and small tractor equipment at Walmart locations and through Walmart.com.
Whether you need a quick replacement for a weekend mowing session or a reliable option for seasonal storage, Walmart stocks flooded lead acid, AGM, and lithium variants in a range of dimensions and capacities.
| Brand | Type | Dimensions (L x W x H) | CCA | Where to Buy at Walmart |
|---|---|---|---|---|
| DieHard | Flooded Lead Acid | 7.7 x 5.1 x 5.9 in | 660 CCA | Hardware aisle, Walmart.com |
| Sears DieHard | AGM | 8.9 x 6.8 x 7.5 in | 720 CCA | Auto care section, in-store pickup available |
| Mighty Max Battery | Flooded Lead Acid | 8.7 x 6.9 x 7.5 in | 620 CCA | Online, lawn and garden aisle |
| Expert Power | AGM | 8.1 x 6.9 x 7.1 in | 700 CCA | Hardware aisle, Walmart.com |
| ACDelco Professional | SLI Group 65 | 10.5 x 6.8 x 7.9 in | 650 CCA | Automotive department, install services available |
Types of Lawn Mower Batteries Available at Walmart
Flooded Lead Acid Batteries
Flooded lead acid remains the most common and affordable option for standard residential mowers. These batteries are widely stocked at Walmart in Group 50, Group 65, and other popular mower sizes. You can often compare Cold Cranking Amps and dimensions on shelf tags or online product pages.
Absorbent Glass Mat (AGM) Batteries
AGM batteries are sealed, spill-resistant, and suitable for mowers with advanced electrical systems. Because they tolerate vibration and mounting angles better than flooded batteries, they are popular on zero-turn and larger walk-behind models. Many Walmart automotive departments carry AGM options from DieHard, Expert Power, and Sears DieHard lines.
Lawn Mower Battery Sizes and Compatibility
Matching size and terminal configuration is essential for a clean installation without modifying harnesses. Walmart labels batteries by group size such as Group 35, Group 50, and Group 65, which correspond to physical dimensions and terminal placement. Each product detail page and in-store keytag lists dimensions, terminal type, and cold cranking amps to help you confirm fitment before purchase.
Buying Lawn Mower Batteries Online and In Store
In-Store Pickup and Availability
You can check real-time inventory for your nearby Walmart store using the site or app, then select in-store pickup to avoid shipping fees. Store associates can often assist with terminal inspection and may offer complimentary battery testing during peak seasons.
Delivery and Shipping Options
For customers who prefer home delivery, Walmart offers shipping with standard or expedited options. Certain rural locations may rely on curbside delivery, and larger batteries may require freight handling based on size and weight details on the product page.
Installation, Maintenance, and Warranty Tips
Terminal Care and Testing
Corded terminals and a secure mount help extend battery life. Many Walmart locations provide free terminal cleaning and voltage testing, which can reveal whether your current battery is weakening before it fails completely. If you install the battery yourself, check your owner manual for recommended maintenance intervals and system reset procedures after disconnection.
Warranty and Return Policies
Most lawn mower batteries sold at Walmart include a free replacement period and a prorated warranty beyond that window. Retain your receipt and registration, as some brands require proof of purchase at an authorized retailer. Return windows may vary for online orders, so review the specific policy on the product page before completing your checkout.
Key Takeaways for Your Next Lawn Mower Battery Purchase
- Confirm group size and terminal configuration using your owner manual or the old battery label.
- Compare flooded lead acid and AGM types based on budget, vibration resistance, and maintenance preference.
- Check Walmart store inventory for real-time availability and in-store pickup options.
- Review the warranty details and return policy before purchasing online or in-store.
- Consider delivery if in-store pickup is not feasible, and verify any oversized shipping requirements.
FAQ
Reader questions
Do Walmart stores carry replacement batteries for riding lawn mowers?
Yes, Walmart stores commonly stock replacement batteries for riding mowers, including Group 65 and other garden tractor sizes. You can verify exact models and availability using the store inventory tool on Walmart.com or by calling your local store.
What size battery does a typical walk-behind lawn mower use?
Most standard walk-behind mowers use Group 50 batteries, but some models require smaller Group 35 or other sizes. Check your current battery label or the mower manual for dimensions and group size before shopping at Walmart.
Are Walmart lawn mower batteries AGM or flooded, and which is better?
Walmart offers both flooded lead acid and AGM options. AGM batteries are sealed, vibration-resistant, and suitable for machines with advanced electronics, while flooded lead acid models are budget-friendly and straightforward for basic mowers.
Can I pick up a lawn mower battery at Walmart on the same day?
If you need a battery urgently, choose in-store pickup during business hours. Many Walmart locations keep popular sizes in stock and can prepare your order for same-day collection after you place it online.