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The LiftMaster 485LM battery backup system is a power standby system for LiftMaster 3850 and 8550 garage door operators. This allows for use of the operator, and all of the safety and security features, in the event of a power outage. The LiftMaster 485LM Battery Backup Price listed is Cash & Carry! We welcome all customer pick-ups. After placing your order, please call to schedule a pickup time. Shipping, Tax, and Installation is separate!
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We currently ship within the US, with more countries coming soon.
Final cost and dates are confirmed at checkout.
🇺🇸 Ship from USA · On Agora since 2026
$65.00