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SigmasTek  |  SKU: BW-6948

LiftMaster 475LM High Performance Garage Door Opener Replacement Battery (12V 5Ah)

Sale price $12.91 USD Regular price $17.09
Shipping calculated at checkout.

➤ Compatible replacement for Liftmaster 475LM garage door opener battery

➤ Uses Absorbent Glass Mat (AGM) technology for superior performance

➤ Maintenance-free, sealed design resists leaks and works in any orientation

➤ Durable ABS flame-resistant case with shock and vibration resistance

➤ Includes 1-year warranty and is UL recognized and CE certified


📦🚀 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.
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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 | 5 AH

Terminal Type

F1

Replacement Liftmaster 475LM Garage Door Opener Battery - Liftmaster 475LM

This replacement Liftmaster 475LM Garage Door Opener battery delivers reliable compatibility, proven performance, and maintenance-free reliability for your Liftmaster 475LM opener. Designed as a direct replacement battery using Absorbent Glass Mat (AGM) technology, this high-performance battery provides dependable standby and cycle service so your garage door system remains operational during power interruptions. If you’re searching for a replacement battery that is durable, leak-free, and built to last, this Liftmaster 475LM compatible pack is an excellent choice.

Key Specifications

  • Compatible Model: Liftmaster 475LM
  • Chemistry: Absorbent Glass Mat (AGM) Technology
  • Voltage: 12V / 12 Volts
  • Capacity: 5 AmpH / 5 AH
  • Terminal: F1
  • Case Material: ABS (UL94 V-0) Flame Resistant Case
  • Design: Sealed, Valve Regulated (maintenance-free)
  • Expected Life: 3 - 5 years in standby use
  • Mounting: Can be mounted in any position; resists shocks and vibration
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New and Factory Fresh
  • Storage: Can be stored up to 9 months at 25°C (77°F) before freshening charge recommended
  • Warranty: 1 Year Warranty

Benefits

This Liftmaster 475LM replacement battery is engineered for durability and long life. The AGM construction provides low internal resistance and superior performance under both standby and cycle conditions, making it a long-lasting battery solution for multiple applications. Its sealed, valve-regulated design prevents leaks and eliminates maintenance, while the flame-resistant ABS case enhances safety and rugged use.

Expect dependable high-performance battery behavior during power outages and daily use. The 3–5 year expected life in standby ensures you won’t need frequent replacements, and the ability to mount the battery in any orientation adds installation flexibility. This makes it ideal as a replacement battery for garage door openers and equally useful in related roles where compact, sealed power is required.

Typical applications include UPS backup, emergency power systems, security systems, and small-scale solar or mobility systems. It’s particularly well suited for garage door openers and other devices needing a compact, robust SLA battery. Whether you need a replacement battery for reliable standby power or a high-performance battery for occasional heavy discharge, this Liftmaster 475LM compatible unit offers consistent output and safety certifications that match OEM expectations.

Ready to replace your Liftmaster 475LM battery? Purchase this reliable, long-lasting battery now and safeguard your garage door opener with a high-performance replacement battery backed by a 1 Year Warranty.


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