LiftMaster 485LM High Performance Garage Door Opener Replacement Battery (12V 5Ah)
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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
12 Volts | 5 AH
Terminal Type
F1
Liftmaster 485LM Garage Door Opener Battery - Compatible Replacement (12V 5AH, F1)
The Liftmaster 485LM Garage Door Opener Battery is a factory-fresh AGM SLA replacement battery engineered for Liftmaster openers and other applications that require dependable standby and cycle performance. This high-performance battery features AGM technology, a sealed valve-regulated design, and a flame-resistant ABS case for safe, maintenance-free operation. If you need a reliable, long-lasting battery replacement for garage door openers, security systems, or similar devices, the Liftmaster 485LM Garage Door Opener Battery delivers consistent power and durability.
Key Specifications
- Model: Liftmaster 485LM Garage Door Opener Battery
- Voltage: 12 Volts
- Capacity: 5 AH (listed as 12V 5AmpH)
- Terminal Type: F1
- Technology: AGM (Absorbent Glass Mat)
- Chemistry: SLA (Sealed Lead Acid)
- Design: Maintenance-free, sealed, valve-regulated
- Case: ABS (UL94 V-0) Flame Resistant Case
- Expected Life: 3 - 5 years expected life in standby use
- Mounting: Can be mounted in any position; resists shocks and vibration
- Condition: Brand New and Factory Fresh
- Certifications: U.L. Recognized and CE Certified
- Storage: Can be stored up to 9 months at 25°C (77°F) before a freshening charge is recommended
- Warranty: 1 Year Warranty
- Shipping: Orders for in-stock items are typically shipped within 24 hours
Benefits
This replacement battery offers reliable, long-term performance thanks to its AGM technology and rugged, flame-resistant ABS housing. The valve-regulated, maintenance-free design prevents spills and minimizes upkeep, while resisting shocks and vibration in garage and accessory environments. The Liftmaster 485LM delivers the quick bursts of current needed for opener motors and supports stable standby power for safety and security systems.
As a high-performance battery, the Liftmaster 485LM is well-suited for garage door openers, security backup, small UPS systems, and a variety of applications such as solar projects, marine electronics, electric wheelchairs, and scooters where AGM SLA batteries are commonly used. Its ability to be mounted in any position and its long standby life make it a versatile long-lasting battery option across many use cases.
For best results install the Liftmaster 485LM Garage Door Opener Battery as a direct replacement and reuse the existing cables and configuration. If you require shipping estimates or need to buy in bulk, refer to checkout shipping details or contact customer service for quantity discounts and RFQ assistance.
Replace your old battery with the Liftmaster 485LM replacement battery today — a high-performance, long-lasting battery solution backed by a 1-year warranty. For assistance call or contact customer service via email.
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