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SigmasTek  |  SKU: BW-7818

Clipper 4820 High Performance Lawn Mower Replacement Battery

Sale price $102.50 USD Regular price $135.64
Shipping calculated at checkout.

➤ Factory fresh, brand new replacement battery for reliable performance

➤ 100% compatible with Clipper 4820 Lawn Mower, ensuring perfect fit

➤ Utilizes AGM technology for deep cycle use and spill-proof safety

➤ High energy density for longer run times and efficient power delivery

➤ Backed by a 1-year warranty and certified for quality and safety standards


📦🚀 FAST SHIPPING: Usually ships same day if ordered before 2 PM EST

⚠️ 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.
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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

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: 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

Replacement Clipper 4820 Lawn Mower Battery — Compatible with Clipper 4820

Upgrade your Clipper 4820 with this factory-fresh replacement battery engineered for dependable performance and reliable power delivery. This high-performance battery is 100% compatible with the Clipper 4820 Lawn Mower and delivers consistent deep-cycle capability when you need it most. Whether you rely on your mower for regular yard work or prolonged cutting sessions, this replacement battery provides the dependable, long-lasting battery performance you expect from premium aftermarket power solutions.

Key Specifications

  • Model: SP12-35 NB
  • Voltage: 12 Volts
  • Capacity: 35 AH
  • 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
  • Warranty: 1 Year Warranty
  • Performance: Performance Guaranteed
  • Compatibility: Replacement for Clipper 4820 Lawn Mower (requires existing cables and hardware)

Benefits

This replacement battery combines AGM construction with valve-regulated design to deliver a maintenance-free, spill-proof experience and superior cycle life. As a high-performance battery built for deep-cycle usage, it maintains steady voltage under load and resists the wear associated with repeated discharge and recharge cycles. The high power/volume ratio gives you excellent energy density so the Clipper 4820 runs longer between charges, making it an ideal long-lasting battery choice for frequent mowing and demanding yard maintenance.

Durability is a hallmark of this battery: the AGM plates and spill-proof design reduce the risk of leakage and extend service life, while U.L. and CE recognition underscores manufacturing quality and safety. Typical applications extend beyond lawn mowers — this battery's design makes it well-suited for backup power scenarios such as UPS systems, emergency power supplies, and various power tools that require a dependable deep-cycle battery.

Installation is straightforward when you reuse the existing cables and hardware from your original configuration. The nut & bolt terminals provide secure, low-resistance connections for reliable current flow. You’ll appreciate the peace of mind offered by the included 1 year warranty and our performance guarantee.

Order your replacement Clipper 4820 battery today and experience a long-lasting battery solution that balances power, reliability, and value. Buy now to ensure fast shipping and get your mower back to peak performance with this dependable, high-performance battery.


Payment & Security

Payment methods

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