{"product_id":"chamberlain-liftmaster-485lm-battery-backup-oem-replacement-4228","title":"Chamberlain LiftMaster 485LM Battery Backup – OEM Replacement (4228)","description":"\u003ch2\u003eKeep garage access during power outages\u003c\/h2\u003e\n\u003cp\u003eWhen the power dips, your routine doesn’t have to stall. The Chamberlain LiftMaster 485LM Battery Backup is an OEM replacement designed to help your garage door operate even when the lights go out. Standing up to daily use, this genuine part (LiftMaster 4228) aligns with factory specifications to support reliable performance when mains power is interrupted.\u003c\/p\u003e\n\u003ch3\u003eWhat makes this backup notable\u003c\/h3\u003e\n\u003cp\u003eMore than a spare part, this backup is a practical safeguard for everyday life. Key benefits include:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMaintain entry and exit during outages, so your schedule stays on track.\u003c\/li\u003e\n  \u003cli\u003eOEM engineering by LiftMaster, ensuring compatibility and dependable operation with the 485LM line.\u003c\/li\u003e\n  \u003cli\u003eFresh production dates from the LiftMaster factory, aligning with current design standards.\u003c\/li\u003e\n  \u003cli\u003eCross-brand compatibility with Sears and Home Depot backup units that use a slide-in battery.\u003c\/li\u003e\n  \u003cli\u003eBroad compatibility with other slide-in battery backups, including 385\/855 and newer models.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility highlights\u003c\/h3\u003e\n\u003cp\u003eDesigned to fit a range of backup configurations, this OEM part (4228) supports continued operation across multiple models, making it a logical option for owners seeking a legitimate replacement that matches factory specs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOEM part number: 4228, ensuring proper fit and electrical connections.\u003c\/li\u003e\n  \u003cli\u003eWorks with LiftMaster 485LM systems and other brands’ compatible backups that use slide-in batteries.\u003c\/li\u003e\n  \u003cli\u003eNew production dates indicate up-to-date manufacturing standards.\u003c\/li\u003e\n  \u003cli\u003eSupports backup operation across multiple models, including 385\/855 and newer designs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEasy DIY replacement\u003c\/h3\u003e\n\u003cp\u003eReplacing the 485LM battery is a straightforward DIY task. The steps mirror common garage-door maintenance routines, helping you stay in control when outages occur or during routine maintenance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePower down the opener to ensure safety.\u003c\/li\u003e\n  \u003cli\u003eUsing a Phillips screwdriver, remove the battery cover on the motor unit.\u003c\/li\u003e\n  \u003cli\u003eTake out the old battery and dispose of it properly.\u003c\/li\u003e\n  \u003cli\u003ePartially insert the new battery into the motor unit, terminals facing outward.\u003c\/li\u003e\n  \u003cli\u003eConnect the red (+) and black (-) wires from the motor unit to the corresponding battery terminals.\u003c\/li\u003e\n  \u003cli\u003eReplace the battery cover securely.\u003c\/li\u003e\n  \u003cli\u003eReconnect power to resume normal operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What devices work with the 485LM Battery Backup?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It's an OEM backup designed for LiftMaster 485LM units and compatible slide-in battery models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I replace the 485LM battery?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Power off the opener, remove the battery cover, replace with a new battery (terminals facing out), reconnect power.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"CHAMBERLAIN","offers":[{"title":"Default Title","offer_id":53089462255727,"sku":"B001T3WHZ8","price":94.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0598\/3087\/files\/chamberlain-485lm-battery-backup-front-view.jpg?v=1778690260","url":"https:\/\/taskholt.com\/products\/chamberlain-liftmaster-485lm-battery-backup-oem-replacement-4228","provider":"TaskHolt","version":"1.0","type":"link"}