LiftMaster 041B0591 Replacement Battery, 24V, QTY 2
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
- Reliable backup power to keep garage door openers and access control systems operational during outages
- Complete OEM-compatible kit with two 12V 4.5Ah rechargeable cells delivering 24 VDC for extended runtime
- Quick, hassle-free swap that restores motor power and maintains security and monitoring capability
- Supports continuous operation of security and surveillance systems tied to the opener, helping prevent service interruptions
- 1-year limited warranty for dependable performance and reduced downtime risk
Quick Specifications
- Product Model
- 041B0591
- Brand Name
- Liftmaster
- Packaged Quantity
- 2
- Manufacturer Part Number
- 041B0591
Explore the details
Product information
041B0591
Overview
Ensure uninterrupted access and security with the LiftMaster 041B0591 Replacement Battery kit. Designed for garage door openers and related access control equipment, this battery backup replacement restores power to the motor unit during electrical outages so operations, monitoring and security remain active. The kit includes two 12V, 4.5Ah rechargeable batteries wired to supply 24 VDC, providing one to two days of typical operation when fully charged. Installation is straightforward — swap the batteries and allow them to fully charge before returning the system to service. OEM compatibility reduces installation time and lowers the risk of downtime for facilities and property managers. Ideal for commercial and residential properties relying on continuous surveillance, remote monitoring or automated access, this kit helps maintain secure operation of your low-voltage systems. Backed by a 1-year limited warranty, the LiftMaster battery pack is a practical safeguard against unexpected power disruptions. Keep your entry systems functioning — replace your backup batteries today to protect access and maintain system resilience.
Features
- Reliable backup power to keep garage door openers and access control systems operational during outages
- Complete OEM-compatible kit with two 12V 4.5Ah rechargeable cells delivering 24 VDC for extended runtime
- Quick, hassle-free swap that restores motor power and maintains security and monitoring capability
- Supports continuous operation of security and surveillance systems tied to the opener, helping prevent service interruptions
- 1-year limited warranty for dependable performance and reduced downtime risk
| General Information | |
|---|---|
| Brand Name | Liftmaster |
| Packaged Quantity | 2 |
| Manufacturer Part Number | 041B0591 |
| Warranty | |
| Limited Warranty | 1-Year |
| Miscellaneous | |
| Package Contents | 2 x 12V 4.5Ah Rechargable Batteries |
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Is this right for your project?
Confirm the model, required accessories and delivery needs before ordering.
- SKU:
- 041B0591
- Manufacturer part:
- 041B0591
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 041B0591 Replacement Battery, 24V, QTY 2
041B0591