Ultracell UC40-12 High Performance Lawn Mower Replacement Battery
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⚠️ 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.
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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 | 40 Ah
Terminal Type
Nut & Bolt
Replacement Ultracell UC40-12 Lawn Mower Battery — Compatible with Ultracell UC40-12
Restore dependable power to your Ultracell UC40-12 with this factory-fresh replacement battery engineered for compatibility, reliability, and consistent performance. The Ultracell UC40-12 replacement battery offers the durability and energy capacity your lawn mower requires, delivering a high-performance battery experience and a long-lasting battery life that keeps your equipment running when you need it most.
Key Specifications
- Compatible Model: Ultracell UC40-12
- Battery Model: SP12-40 NB
- Voltage: 12 V
- Capacity: 40 AH
- Quantity Required: 1
- Technology: Absorbent Glass Mat (AGM) Technology
- Design: Designed For Deep Cycle Usage
- Construction: Valve Regulated Spill Proof Construction
- Energy Density: Power/Volume Ratio Yielding Unrivaled Energy Density
- Certifications: U.L. Recognized and CE Certified
- Terminal Type: Nut & Bolt
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year Warranty
- Performance: Performance Guaranteed
- Connection Note: Use all existing cables and hardware from original configuration to connect the replacement battery
Benefits
- Durability: AGM and valve-regulated construction provide a sealed, vibration-resistant assembly that reduces maintenance and improves safety in outdoor equipment environments.
- Long Life: Engineered for deep cycle use, the UC40-12 offers extended cycle life and consistent capacity retention, qualifying it as a long-lasting battery for ongoing yard maintenance needs.
- High Performance: With an impressive 40 AH capacity and optimized power/volume ratio, this replacement battery delivers strong starting currents and sustained power output for intensive mowing sessions.
- Safety & Compliance: U.L. Recognized and CE Certified to ensure adherence to recognized safety and quality standards.
- Versatile Applications: Although tailored for the Ultracell UC40-12 lawn mower, the AGM deep-cycle chemistry is also well suited for UPS systems, emergency power backup, recreational vehicles, and power tools where a 12 V 40 AH battery is appropriate.
- Secure Connections: Nut & bolt terminals provide reliable, low-resistance connections for steady power transfer and simple installation using your existing hardware.
Don’t let a weak battery slow you down—replace your Ultracell UC40-12 with this dependable, high-performance replacement battery today. Backed by a 1-year warranty and shipped quickly when in stock, this is a smart purchase to get your mower back to peak performance. Buy now and enjoy reliable power when it matters.
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