John Deere 425 Compatible Lawn Mower Replacement Battery
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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 | 35 AH
Terminal Type
Nut & Bolt
John Deere 425 Lawn Mower Battery — Compatible with John Deere 425 (SP12-35 NB)
This factory-fresh replacement John Deere 425 Lawn Mower battery is engineered to deliver dependable starting power and consistent deep-cycle performance for your John Deere 425. Designed for compatibility, reliability, and long life, this high-quality replacement battery meets the exact SP12-35 NB (12 V 35 AH) specifications required by your mower. Whether you’re tackling weekly yard work or preparing equipment for seasonal storage, this long-lasting battery gives you the confidence of reliable starts and steady power delivery.
Key Specifications
- Model: SP12-35 NB
- Voltage: 12 Volts
- Capacity: 35 AH (Amp-Hours)
- Quantity Required: 1 battery
- Terminal Type: Nut & Bolt
- Technology: Absorbent Glass Mat (AGM) Technology
- Usage: Designed for Deep Cycle Usage
- Construction: Valve Regulated Spill Proof Construction
- Design Feature: Power/Volume Ratio Yielding Unrivaled Energy Density
- Certifications: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year Warranty
- Performance: Performance Guaranteed
Benefits
This replacement battery combines AGM technology and valve-regulated construction to offer a rugged, maintenance-free power source. The sealed, spill-proof design protects against leakage while enabling flexible mounting and safe operation around your equipment. As a high-performance battery built for deep-cycle usage, it provides exceptional energy density so you get more usable runtime without sacrificing size or weight. That makes it an ideal long-lasting battery solution for lawn mowers, garden tractors, and other outdoor power equipment.
Durability is built into every cell: the robust construction and U.L./CE recognition ensure dependable operation under frequent use and in varied environmental conditions. This replacement battery also works well in backup and utility roles — typical applications include UPS standby systems, emergency power reserves, and portable power for tools or small equipment that require steady, deep-cycle current. If you need a high-performance battery that starts strong and sustains power during extended operation, this model is designed to meet those demands.
Install easily using existing cables and hardware from your original configuration and benefit from a performance-guaranteed, long-lasting battery that restores the reliable operation of your John Deere 425.
Ready to replace your old battery? Buy this replacement John Deere 425 (SP12-35 NB) battery today and enjoy fast shipping, a 1 year warranty, and the confidence of quality, long-lasting power. Order now to get back to work with a dependable, high-performance battery.
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