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SigmasTek  |  SKU: BW-15688

Long Way LW-6FM40GJ High Performance Replacement Battery

Sale price $113.99 USD Regular price $170.58
Shipping calculated at checkout.

➤ Absorbent Glass Mat (AGM) technology for superior performance

➤ Maintenance-free and spill-proof design for hassle-free use

➤ U.L. recognized and CE certified for safety and reliability

➤ Brand new and factory fresh for guaranteed quality

➤ 1-year warranty ensures peace of mind and durability


📦🚀 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 | 40 Ah

Terminal Type

Nut & Bolt

Long Way LW-6FM40GJ Battery (Replacement) — Compatible with LW-6FM40GJ

Upgrade your power system with the Long Way LW-6FM40GJ replacement battery, engineered for dependable compatibility, consistent performance, and industry-grade reliability. This high-quality replacement battery is designed to meet or exceed OEM SLA specifications for the LW-6FM40GJ model, delivering the stable, stored energy you need for critical applications. Whether you’re restoring a UPS, emergency backup, mobility device, or stationing power for tools and equipment, this long-lasting battery offers peace of mind and dependable runtime.

Key Specifications

  • Model Compatibility: Long Way LW-6FM40GJ
  • Battery Type: Rechargeable Sealed Lead Acid (SLA)
  • Technology: Absorbent Glass Mat (AGM)
  • Design: Maintenance-Free with Spill Proof Construction
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Brand: SigmasTek
  • Voltage: 12 Volts
  • Capacity: 40 Ah
  • Terminal Type: Nut & Bolt

Benefits

  • Durable AGM construction provides a robust, vibration-resistant design that enhances service life and reduces maintenance needs. The sealed, maintenance-free design minimizes leakage risk and makes installation straightforward.
  • Long-lasting battery performance: engineered to deliver consistent discharge and recharge cycles, this battery is a dependable option when you need a reliable power source for long-term use.
  • High-performance battery characteristics: quick recharge acceptance and stable output under load make it suitable for sensitive electronics and power-critical roles.
  • Safety and compliance assured with U.L. recognition and CE certification — ideal when regulatory compliance is important for commercial or residential installations.
  • Typical applications include UPS systems, emergency power backup, alarm systems, medical equipment, mobility devices, portable power tools, and other standby power needs where a trusted replacement battery is essential.
  • Brand-new, factory-fresh condition with a 1 year warranty provides risk-free replacement and support for peace of mind after purchase.

Ready to replace your aging pack? Choose this LW-6FM40GJ replacement battery for a proven, long-lasting battery solution that balances affordability with dependable, high-performance battery characteristics. Click to buy now and secure dependable power for your devices.



Payment & Security

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