Encore 48B 450Z Lawn Mower High Performance Replacement Battery
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🔹 Please ensure the original battery model number is listed in our product description and that your device model number matches for compatibility.
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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
Encore 48B 450Z Lawn Mower Battery (Replacement) — Compatible with Encore 48B 450Z
Upgrade your Encore 48B 450Z Lawn Mower with a brand new, factory-fresh replacement battery designed for consistent performance and durability. This replacement battery is 100% compatible with the Encore 48B 450Z and offers deep-cycle capability and reliable power delivery for demanding lawn care tasks. With Absorbent Glass Mat (AGM) technology and valve-regulated, spill-proof construction, it is a high-performance battery engineered to be maintenance-free and long-lasting.
Key Specifications
- Compatible Model: Encore 48B 450Z Lawn Mower
- Required Battery Model: SP12-35 NB
- Voltage: 12 Volts
- Capacity: 35 AH
- Number Required: 1 battery
- Terminal Type: Nut & Bolt
- Technology: Absorbent Glass Mat (AGM)
- Designed For: Deep Cycle Usage
- Construction: Valve Regulated, Spill Proof
- Energy Characteristic: Power/Volume Ratio Yielding Unrivaled Energy Density
- Certifications: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Performance: Performance Guaranteed
- Warranty: 1 Year Warranty
- Brand: Encore (replacement)
Benefits
This replacement battery delivers robust durability and dependable life cycle performance. AGM construction provides superior vibration resistance and low internal resistance for efficient power transfer, making it a reliable, long-lasting battery under real-world mowing conditions. The valve-regulated design ensures spill-proof safety and sealed operation, lowering maintenance needs while offering excellent deep-cycle behavior for extended runtime.
As a high-performance battery, it maintains steady voltage under load to ensure smooth engine starts and sustained accessory operation. The compact, energy-dense design is ideal for confined battery compartments and contributes to overall system efficiency. Beyond lawn mowers, owners commonly use these batteries in UPS systems, emergency power setups, and power tools that demand repeatable, dependable discharge cycles. For Encore 48B 450Z users, this replacement battery restores factory-equivalent performance so you can work longer with fewer interruptions.
Installation is simple: the Encore 48B 450Z requires one SP12-35 NB (12 V 35 AH) battery and uses your existing cables and mounting hardware. Certified, performance-guaranteed, and backed by a one-year warranty, this unit is designed to give you confidence and reliable power.
Don’t wait to get back to work — purchase this replacement, high-performance, long-lasting battery for your Encore 48B 450Z today. Fast shipping and dependable service await.
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