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SigmasTek  |  SKU: BW-7208

Simplicity Landlord 16H Lawn Mower High Performance 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 Simplicity Landlord 16H Lawn Mower (SP12-35 NB)

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

➤ Valve regulated, spill-proof construction ensures safe operation

➤ Comes with 1-year warranty and guaranteed performance quality


📦🚀 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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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

Simplicity Landlord 16H Lawn Mower Replacement Battery (SP12-35 NB)

This replacement battery is engineered to deliver reliable compatibility, consistent performance, and proven reliability for the Simplicity Landlord 16H Lawn Mower. Designed as a direct fit replacement SP12-35 NB (12 V 35 AH), this factory-fresh unit brings dependable starting power and sustained deep-cycle capacity so your mower performs day after day. If you need a high-performance battery that’s also a long-lasting battery option for seasonal and year-round mowing, this replacement battery is built to meet those expectations while using your existing cables and hardware for a straightforward install.

Key Specifications

  • Model: SP12-35 NB
  • Compatible With: Simplicity Landlord 16H Lawn Mower
  • Voltage: 12 V
  • Capacity: 35 AH
  • Terminal Type: Nut & Bolt
  • Technology: Absorbent Glass Mat (AGM) Technology
  • Usage Type: Designed For Deep Cycle Usage
  • Construction: Valve Regulated Spill Proof Construction
  • Performance Feature: Power/Volume Ratio Yielding Unrivaled Energy Density
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Quantity Required: 1 battery

Benefits

This high-performance battery is engineered for durability and long life, offering consistent starting power and superior deep-cycle performance for frequent mowing and heavy-duty garden use. The AGM design provides excellent vibration resistance and spill-proof safety, making it ideal for outdoor equipment that sees rough conditions and repeated use. As a long-lasting battery option, its high energy density and valve-regulated construction reduce maintenance and extend service life compared with standard flooded batteries.

Reliability and performance are critical for equipment like lawn mowers; this replacement battery provides steady power delivery and fast recharge acceptance rates so you can rely on it over multiple cutting seasons. Typical applications extend beyond lawn mowers to other deep-cycle uses and backup scenarios — this replacement battery is also suitable for emergency power systems, UPS backups, and power tools where a robust 12 V 35 AH supply is required. Its U.L. recognition and CE certification give added assurance for safe, consistent operation.

Installation is simple when reusing your original cables and hardware; the nut & bolt terminal ensures a secure connection and trouble-free fit. With performance guaranteed and a one-year warranty, you can trust this unit as a dependable replacement battery that restores peak performance to your Simplicity Landlord 16H.

Ready to upgrade to a long-lasting, high-performance battery? Order your replacement Simplicity Landlord 16H SP12-35 NB today. For assistance call or e-mail our customer service team — orders for in-stock items typically ship within 24 hours.


Payment & Security

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