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SigmasTek  |  SKU: BW-6944

12V 3.5Ah High Performance Lawn Mower Replacement Battery

Sale price $21.27 USD Regular price $28.14
Shipping calculated at checkout.

➤ High performance with 12V 3.5AH capacity for reliable lawn mower power

➤ Maintenance-free, spill-proof AGM technology ensures safety and convenience

➤ Wide operating temperature range for consistent use in various climates

➤ Guaranteed compatibility with original battery and F1 terminal for easy replacement

➤ 1-year warranty and fast shipping with excellent customer support


📦🚀 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 | 3.5 Ah

Terminal Type

F1

12V 3.5AH Lawn Mower Battery - Compact Replacement Battery (F1 Terminal)

The 12V 3.5AH Lawn Mower Battery is a compact, reliable replacement battery designed for small lawn care equipment and devices that require dependable starting and standby power. This high-performance battery features a high discharge design, wide operating temperature capability, and long expected service life—providing a maintenance-free, long-lasting battery solution for tight spaces and compact applications. Use this 12V 3.5AH Lawn Mower Battery as a trusted replacement battery to restore optimal performance and reliability.

Key Specifications

  • Voltage: 12 Volts
  • Capacity: 3.5 AH (Amps)
  • Terminal Type: F1
  • Weight: 2.9 Lbs
  • Length: 5.24 inches
  • Width: 2.64 inches
  • Height: 2.36 inches
  • Chemistry: SLA (Sealed Lead Acid)
  • Technology: AGM (Absorbent Glass Mat)
  • Design: Maintenance-free, Spill Proof
  • Performance: High performance, high discharge design
  • Operating Range: Wide operating temperature range
  • Compatibility: Guaranteed compatibility with original battery
  • Warranty: 1-year Warranty
  • Shipping Methods: UPS Ground and USPS
  • Shipping Speed: We ship in 1 business day for all in-stock items

Benefits

Despite its compact size, this replacement battery offers exceptional durability and reliable output. The sealed AGM design is maintenance-free and spill proof, eliminating routine service while ensuring safe operation in any mounting orientation. Its high-discharge capability supplies the burst of current needed for engine cranking and accessory operation, while its construction is optimized to withstand vibration and harsh outdoor conditions.

As a long-lasting battery solution, the 12V 3.5AH Lawn Mower Battery works well in applications that require frequent starts or sustained standby readiness. Typical uses include compact lawn mowers, small garden tools, personal utility devices, emergency backup circuits, small UPS modules, and hand tools that demand a compact, high-performance battery. The lighter weight and smaller footprint make it a convenient choice for installations with limited space.

Installation requires placing the new 12V 3.5AH Lawn Mower Battery in the same original configuration and reusing your existing cables. Please verify your current battery dimensions before ordering since manufacturers may change sizes without notice. If you need quantity pricing, Batterysharks.com provides bulk discounts—submit an RFQ and a representative will contact you.

Ready to upgrade? Purchase your 12V 3.5AH Lawn Mower Battery replacement battery now for a compact, high-performance, long-lasting battery backed by a 1-year warranty. For questions, reach customer service by email, chat, or call toll-free at .


Payment & Security

Payment methods

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