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SigmasTek  |  SKU: BW-7360

Lawn Boy 9329ES Lawn Mower High Performance Replacement Battery

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

➤ Factory fresh replacement battery for Lawn Boy 9329ES Lawn Mower

➤ 100% compatible with original Lawn Boy 9329ES model

➤ Absorbent Glass Mat (AGM) technology for deep cycle performance

➤ Valve regulated and spill-proof design for safety and durability

➤ Includes 1-year warranty for reliable, long-lasting power


📦🚀 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

Replacement Lawn Boy 9329ES Lawn Mower Battery — Compatible with Lawn Boy 9329ES

Replace your worn or underperforming battery with this factory-fresh replacement battery for the Lawn Boy 9329ES. Built for compatibility and dependable service, this high-performance battery delivers consistent power and exceptional durability. The SP12-35 NB (12 V 35 AH) unit is designed for straightforward installation using your mower’s existing cables and hardware, providing a convenient long-lasting battery solution.

Key Specifications

  • Compatible Model: Lawn Boy 9329ES
  • Part Number: SP12-35 NB
  • Voltage: 12 V
  • Capacity: 35 AH
  • Quantity Required: 1 battery
  • Terminal Type: Nut & Bolt
  • Battery Technology: Absorbent Glass Mat (AGM)
  • Usage: Designed for Deep Cycle Usage
  • Construction: Valve Regulated, Spill Proof
  • Energy Density: Power/Volume Ratio Yielding Unrivaled Energy Density
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year
  • Performance: Performance Guaranteed

Benefits

  • Durability: The AGM design and valve-regulated construction create a rugged, maintenance-free battery that stands up to the vibration and stresses common in outdoor equipment.
  • Long Life: Designed specifically for deep-cycle usage, this long-lasting battery provides dependable performance across repeated charge/discharge cycles.
  • High Performance: High energy density ensures consistent output and reliable starts, making this a trusted high-performance battery for mower engines and accessory loads.
  • Certified Safety: U.L. recognized and CE certified for peace of mind when used in consumer equipment and small power applications.
  • Multiple Uses: While optimized for the Lawn Boy 9329ES, this replacement battery also serves well in UPS units, emergency power setups, portable tools, and other 12 V applications needing 35 AH capacity.
  • Hassle-Free Installation: Nut & bolt terminals and exact compatibility allow you to reuse existing wiring and hardware for a fast swap-out.

Upgrade to this reliable replacement Lawn Boy 9329ES battery for stronger starts and longer runtimes. Order today to secure a high-performance, long-lasting battery with fast shipping and a 1 year warranty—purchase now and keep your mower running at peak performance.


Payment & Security

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