Long Way LW-3FM7J High Performance Compatible Replacement Battery
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⚠️ 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 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
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
⚠️ 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
6 Volts | 7 AH
Terminal Type
F1
Long Way LW-3FM7J Replacement Battery — Compatible with Long Way LW-3FM7J
The replacement battery for the Long Way LW-3FM7J combines proven compatibility with reliable performance and solid build quality. Engineered to meet or exceed OEM SLA specifications, this high-performance battery leverages AGM technology and a maintenance-free, spill-proof design to deliver dependable power for your Long Way LW-3FM7J applications. If you need a long-lasting battery that you can trust in critical situations, this replacement is built to perform.
Key Specifications
- Model: Long Way LW-3FM7J (Replacement)
- Brand: SigmasTek
- 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
- Voltage: 6 Volts
- Capacity: 7 AH
- Terminal: F1
- Warranty: 1 Year Warranty
Benefits
This replacement is designed for extended service life and reliable day-to-day operation. As an AGM, maintenance-free battery, it offers superior vibration resistance and minimal maintenance requirements, making it suitable for portable equipment and installations where service intervals should be minimized. The sealed design prevents leakage and simplifies handling, while certifications such as U.L. and CE ensure compliance with recognized safety standards.
Performance-wise, the battery provides consistent discharge curves and good charge acceptance, characteristics that make it an excellent high-performance battery for both standby and cyclic use. Its long-lasting battery profile is a solid match for UPS backups, emergency lighting, alarm and security systems, medical monitoring devices, and small electric tools. The combination of factory-fresh condition and a 1 Year Warranty gives you the reassurance needed for mission-critical deployments.
If you require a direct-fit replacement for the Long Way LW-3FM7J, this SigmasTek 6V 7AH F1 replacement battery is built to deliver dependable power and easy installation without compromising safety or longevity.
Secure reliable power now — add this replacement battery to your cart and protect your equipment with a long-lasting, high-performance solution backed by a 1 Year Warranty.
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