LiftMaster 485LM Garage Door Opener Battery for Liftmaster 3850 Opener, Chamberlain, 485lm
Special Order: typically 2–6 weeks
Ships directly from the manufacturer. This is an estimated lead time, not a guaranteed delivery date.
Availability can change and lead times may be longer. If your project has a deadline, check with us before ordering.
A member of our team will check with the manufacturer and personally reply by email.
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Key Features
- Keeps garage access during power outages so homes and businesses remain secure and operational
- Direct fit for LiftMaster 3850 and compatible with many Chamberlain openers for easy installation and dependable integration
- Provides reliable backup power to maintain access control and security monitoring without interruption
- Reduces downtime and service calls — ideal for property managers, installers, and homeowners prioritizing reliability
- Compact, OEM-quality design (Model 485LM) that integrates seamlessly with existing garage door opener systems
Quick Specifications
- Product Model
- 485LM
- Brand Name
- Liftmaster
- Manufacturer Part Number
- 485LM
Explore the details
Product information
485LM
Overview
Ensure uninterrupted garage access and protection with the LiftMaster 485LM garage door opener battery. This LiftMaster backup battery is engineered to keep your LiftMaster 3850 opener — and compatible Chamberlain systems — operating during power outages, so security, surveillance, and access control systems remain active when they matter most. The compact Model 485LM mounts seamlessly to existing units for quick field replacement and minimal downtime. Manufactured with OEM-quality components and origin MX, this battery delivers dependable backup power to prevent lockouts, avoid service calls, and maintain monitoring functions for residential and light-commercial applications. Whether you manage a portfolio of properties or are upgrading a single home garage, the LiftMaster 485LM provides peace of mind with a plug-and-play installation and reliable performance under load. Protect your property and streamline maintenance with an approved backup solution that complements your security and automation setup. Order the LiftMaster 485LM backup battery today to ensure continuous access and robust security for your garage door system.
Features
- Keeps garage access during power outages so homes and businesses remain secure and operational
- Direct fit for LiftMaster 3850 and compatible with many Chamberlain openers for easy installation and dependable integration
- Provides reliable backup power to maintain access control and security monitoring without interruption
- Reduces downtime and service calls — ideal for property managers, installers, and homeowners prioritizing reliability
- Compact, OEM-quality design (Model 485LM) that integrates seamlessly with existing garage door opener systems
| General Information | |
|---|---|
| Brand Name | Liftmaster |
| Manufacturer Part Number | 485LM |
| Miscellaneous | |
| Country of Origin | MX |
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Plan your purchase
Is this right for your project?
Confirm the model, required accessories and delivery needs before ordering.
- SKU:
- 485LM
- Manufacturer part:
- 485LM
How do I confirm compatibility?
Check the specifications and manufacturer documents for your existing system. Send us your model numbers and project requirements if you need help selecting equipment or accessories.
Ask a product specialistWhen will this item ship?
Availability is shown above. Special-order items and project quantities may need additional lead time. Contact us to confirm a delivery date before scheduling installation.
Shipping, freight and delivery detailsWhat should I know about returns?
Returns require an approved RMA. Consult the linked return policy for deadlines and eligibility. For standard non-defective returns, eligible factory-sealed items carry a 15% restocking fee and customer-paid return shipping; open-box and used items are refused. Defective and DOA claims follow the policy's separate terms. Special orders and other exclusions are final sale.
Read return eligibility and exclusionsLiftMaster 485LM Garage Door Opener Battery for Liftmaster 3850 Opener, Chamberlain, 485lm
485LM