12V 18Ah High Capacity Lawn Mower Replacement Battery
Couldn't load pickup availability
⚠️ Quick Reminder
🔹 Please ensure the original battery model number is listed in our product description and that your device model number matches for compatibility.
🔹 We only supply the batteries shown in the images. Device images are provided for reference only.
📸 Send Your Battery Photo / Unsure? Expert Help
Snap a photo or video of your battery and send it to us. We'll identify the exact replacement—fast and hassle-free. Our team has helped thousands of customers find the right battery quickly and easily.
POST YOUR IMAGE
Battery Care Guide
Battery Care Guide
Battery Usage and Maintenance Guidelines 🔋
Please read the following instructions carefully before using your new battery. Proper adherence will help ensure optimal performance and extended service life.
1. Cordless Phones, PDAs, and Power Tools (NiMH, NiCd, Lithium-Ion) 📱
Initial Charge
- Fully charge the battery overnight prior to first use.
Conditioning (First 2–6 Charge Cycles)
- Operate the device until the battery reaches approximately 20% capacity.
- Avoid premature recharging.
- Do not allow the battery to fully discharge during the initial cycles.
Post-Conditioning
- Recharge the battery only when necessary.
- These batteries are capable of approximately 500 charge cycles:
- Once daily → ~500 days
Twice daily → ~250 days
Note: Even a partial recharge is considered a full cycle.
2. Sealed Lead Acid (SLA) Batteries 💡
- No conditioning required.
- Maintain the battery in a fully charged state; avoid complete discharge.
- Capable of 300–400 charge cycles.
- Expected service life: 2–3 years, depending on usage conditions.
3. Laptop Batteries (Lithium-Ion) 💻
Initial Charge
- Fully charge the battery overnight prior to first use.
Conditioning (First 2–6 Charge Cycles)
- Charge fully, then discharge to approximately 20% capacity.
- Avoid complete discharge, as some devices may not detect a fully drained battery.
Post-Conditioning
- Minimize frequent plugging and unplugging.
- Allow the battery to discharge moderately at least once per month to maintain optimal performance.
- Occasional cycling is recommended to sustain battery health.
Professional Recommendation
Adhering to these guidelines will enhance battery longevity and ensure reliable performance.
For further assistance regarding your battery or order, our customer support team is available to provide guidance.
Delivery and Shipping
Delivery and Shipping
⚡ Everything You Need to Know About Shipping with BatteryWeb (USA)
We know reliable delivery matters when you need power fast. Here’s how BatteryWeb makes shipping easy across the USA:
🚚 Shipping & Delivery
Most orders ship next business day (some products like sealed lead acid may take a little longer).
Same-day shipping available if you order before 11:59 AM (delivery depends on the carrier).
We ship nationwide using FedEx, UPS, USPS, DHL, and regional ground carriers.
Shipping costs are calculated automatically at checkout based on weight, distance, and carrier.
Transit times shown are estimates only (business days, no weekends/holidays).
🌍 Shipping Restrictions
Lithium batteries cannot be shipped by USPS or air. They must go via FedEx Ground, UPS Ground, or DHL Ground.
PO Box deliveries are only available via USPS.
At this time, we do not ship lithium batteries to Puerto Rico. NiMH, NiCd, and Alkaline can be shipped.
📦 Important Notes
Double-check your shipping address! If an incorrect address is used and the order is returned, re-shipping costs are the buyer’s responsibility.
If a product is temporarily out of stock, we’ll notify you right away with the expected restock date—or issue a refund if you prefer.
💲 Currency & Pricing
All prices are shown in USD.
Orders shipped outside the USA may be subject to local taxes, customs fees, or import duties. These are the buyer’s responsibility.
⚡ At BatteryWeb, we’re committed to getting your batteries delivered quickly, safely, and affordably—so you’ll always have the power you need, when you need it.
Disclaimer
Disclaimer
⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.
🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.
🔹 Our products are generic replacement parts and are not affiliated with, endorsed by, or manufactured by the original equipment manufacturers (OEMs).
Volts & Amps
12 Volts | 18 Ah
Terminal Type
Nut & Bolt
12V 18AH Lawn Mower Battery — Compatible Replacement (NB Terminal)
Upgrade your lawn mower with this reliable 12V 18AH Lawn Mower Battery replacement designed to match or exceed original manufacturer specifications. Built for dependable performance, this replacement battery delivers the high-discharge capability and wide operating temperature range you need for consistent starts and extended run times. Whether you’re maintaining turf, servicing equipment, or keeping tools ready, this high-performance battery provides the durability and reliability homeowners and professionals expect from a long-lasting battery solution.
Key Specifications
- Volts: 12V
- Amps (Capacity): 18 AH
- Terminal Type: NB (Nut & Bolt)
- Weight: 13 Lbs
- Length: 7.13 inches
- Width: 3 inches
- Height: 6.59 inches
- Chemistry / Construction: SLA (Sealed Lead Acid), AGM Technology
- Features: Maintenance-free, Spill Proof, High discharge design, Wide operating temperature range
- Compatibility: Guaranteed compatibility with original battery
- Warranty: 1-year Warranty
- Shipping: UPS Ground and USPS; ships in 1 business day for in-stock items
Benefits
This replacement battery offers a combination of rugged construction and refined chemistry to deliver a long life and consistent high performance. The AGM design and spill-proof, maintenance-free construction ensure safe operation in the demanding vibration and tilt conditions common to lawn mowers and outdoor equipment. Because this is a high-performance battery engineered for high discharge use, you’ll notice stronger cranking power, reliable starts after periods of inactivity, and dependable delivery of current under load.
Durability: The sealed valve-regulated build resists leaks and reduces maintenance needs, making it ideal for seasonal or year-round use. Long life: Expected extended service life and solid warranty protection reduce total cost of ownership. Performance: The high discharge profile supports tools and accessories that draw significant current during operation.
Typical applications include lawn mowers, garden tractors, outdoor power equipment, and other small vehicles where robust starting power and long-lasting performance matter. It’s also a practical choice when replacing batteries in backup or portable systems that require a compact, durable SLA battery.
Ready to restore full power to your lawn mower? Choose this 12V 18AH replacement battery for a hassle-free swap using your existing cables and original configuration. Order now to enjoy fast shipping, quality assurance, and peace of mind with a 1-year warranty.
-
Voltage
-
Amp Hours
-
Terminal Type
-
Length (in.)
-
Width (in.)
-
Height (in.)
-
Weight (lb.)
-
Warranty
-
Type
-
Manufacturer
-
Brand Replacement
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.