LiftMaster 29-NP712 Replacement Battery LA400 for Garage Door Openers

Keep your access points and security systems ready when you need them. The LiftMaster LA400 replacement battery (29-NP712) is a purpose-built battery for garage door openers and gate operators, delivering dependable backup power that supports uninterrupted access control and surveillance monitoring. With a 12V DC output and a 7Ah (7000 mAh) capacity, this rechargeable lead-acid unit provides extended runtime so your facility stays secure during power interruptions and scheduled maintenance. Its proprietary size ensures a precise, tool-free fit in compatible LiftMaster equipment, reducing downtime and installation hassle for technicians and maintenance teams. Designed for commercial and residential applications where reliability matters, the LA400 helps protect camera systems, entry gates, and automated doors from unexpected outages. Choose a solution that lowers lifecycle costs, minimizes waste compared with disposables, and keeps your security and monitoring infrastructure operational. Order the LiftMaster 29-NP712 LA400 replacement battery today to maintain continuous performance and peace of mind for your property’s access control and surveillance systems.

• Reliable backup power to keep garage door openers and gate operators operational during outages, protecting access control and security systems
• Long-lasting 7Ah (7000 mAh) capacity delivers extended runtime for consistent performance and fewer replacements
• Direct-fit proprietary size designed for LiftMaster models ensures quick, hassle-free installation and uninterrupted monitoring
• Rechargeable 12V DC lead-acid chemistry reduces disposal waste and lowers total cost of ownership for fleets and facilities
• Compact, durable design (4.84 lb) saves space in equipment cabinets while providing dependable power for surveillance and security applications