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SigmasTek  |  SKU: BW-7029

Yard Man W804H Lawn Mower Long-Life Replacement Battery

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

➤ Factory fresh, high-quality replacement battery for Yard Man W804H Lawn Mower

➤ 100% compatible with Yard Man W804H model using original cables and hardware

➤ Absorbent Glass Mat (AGM) technology for enhanced durability and deep cycle use

➤ Valve regulated, spill-proof design ensures safe and reliable performance

➤ Comes with a 1-year warranty and fast shipping, typically within 24 hours


📦🚀 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.

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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

Yard Man W804H Lawn Mower Battery (Replacement) - Compatible with Yard Man W804H

Replace your worn-out battery with this factory-fresh replacement battery engineered specifically for the Yard Man W804H. Designed for dependable compatibility and reliable performance, this unit uses advanced AGM construction to deliver consistent output under load. If you need a high-performance battery that’s ready to install and built to last, this 12V 35 AH replacement is an ideal solution for residential and commercial mowing needs.

Key Specifications

  • Compatible Model: Yard Man W804H
  • Required/Replacement Model Number: SP12-35 NB
  • Voltage: 12 Volts
  • Capacity: 35 AH (Amp-hours)
  • Terminal Type: Nut & Bolt
  • Technology: Absorbent Glass Mat (AGM)
  • Usage Type: 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
  • Condition: Brand New, Factory Fresh
  • Performance: Performance Guaranteed
  • Warranty: 1 Year Warranty
  • Brand: Yard Man (replacement battery)

Benefits

This high-performance battery is engineered for durability and consistent output. AGM technology provides excellent charge acceptance and minimal self-discharge, helping ensure this long-lasting battery remains ready when you need it. The valve-regulated, spill-proof design reduces maintenance and improves safety during installation and use—especially important when working around fuel and lubricants common to lawn equipment.

Because it’s designed for deep cycle usage, this replacement battery handles repeated discharge and recharge cycles with minimal capacity loss over time. The compact, energy-dense construction gives a superior power-to-volume ratio so you get more runtime in the same form factor. Certified by U.L. and CE and backed by a performance guarantee and one-year warranty, it’s a reliable choice for replacing your OEM battery.

Common uses include powering residential and commercial lawn mowers, outdoor power tools, and other 12V equipment. It can also be used as part of light emergency power solutions or accessory power needs where a dependable 12-volt source is required. Installation is simple—reuse your existing cables and hardware for a quick swap.

Get your Yard Man W804H back to full power today. Order this long-lasting, high-performance replacement battery now and enjoy fast shipping and solid warranty coverage.


Payment & Security

Payment methods

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