{"product_id":"liberty-441-battery-back-up-emergency-sump-pump-system","title":"Liberty 441  Battery Back-Up Emergency Sump Pump System","description":"\u003cstrong\u003eBack Up Sump Pumps\u003c\/strong\u003e \u003cbr\u003e\u003cbr\u003eLiberty Model 441 Battery Back-Up Emergency Sump Pump System \u003cbr\u003e\u003cul\u003e\n\u003cli\u003eBattery operated 12 Volt \u003c\/li\u003e\n\u003cli\u003eDC Adapts to 1-1\/2 or 1-1\/4 Discharge \u003c\/li\u003e\n\u003c\/ul\u003eLiberty's model 441 takes over when the power goes out. Operating from the power of a marine-grade deep-cycle battery*, the 441 features a high-output 12 volt pump, advanced 5-stage charging system, easy-connect terminal block, battery box and plumbing connections. *(Battery not included.) Designed to be used in conjunction with a primary 120V sump pump.\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eFeatures:\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cul\u003e\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eAdvanced Charging System outperforms “trickle” chargers with a 5-stage charging process. The system tests the battery and maintains a maximum charge without running the battery down or selfdischarging. A sophisticated charging algorithm continuously tests the charging process from start to finish.\u003c\/span\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cp\u003e\u003cstrong\u003eCHARGING STAGES\u003c\/strong\u003e:\u003c\/p\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong style=\"font-size: 12px;\"\u003eStage One\u003c\/strong\u003e\u003cspan style=\"font-size: 12px;\"\u003e: Pre-Qualification Test - Yellow Light Emitting Diode (L.E.D.) flashes during this stage. Pre-Qualification Test applies three tests to the battery. Further charging prohibited if charger discovers a fault. The duration of this stage is dependent on the condition of your battery and is approximately 40 seconds to 2 hours.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"font-size: 12px;\"\u003eStage Two:\u003c\/strong\u003e\u003cspan style=\"font-size: 12px;\"\u003e Constant Current Charge - Yellow L.E.D. illuminates continuously indicating that the charger is charging the battery at full rated output.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"font-size: 12px;\"\u003eStage Three:\u003c\/strong\u003e\u003cspan style=\"font-size: 12px;\"\u003e Constant Voltage Charge - Yellow L.E.D. remains illuminated continuously and finishes when battery state of charge is fully charged.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"font-size: 12px;\"\u003eStage Four:\u003c\/strong\u003e\u003cspan style=\"font-size: 12px;\"\u003e Float Charge - Green charged L.E.D. is on. Charger will maintain battery while A.C. power is connected and can be left connected indefinitely; limited only by the service life of battery.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"font-size: 12px;\"\u003eStage Five:\u003c\/strong\u003e\u003cspan style=\"font-size: 12px;\"\u003e Recycle Charge - While connected to battery for storage charging, a new charge cycle routine initiates once every 84 days.  \u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eTime dependent charging with built-in 150-hour safety timer. If the safety timer “times-out,” A “Fault” is displayed and charging is discontinued to protect equipment from “run-away” battery under charge.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eReverse battery and short circuit protection • Audible alarm and light advises of emergency pump operation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eWorks with marine-type deep-cycle batteries (not included with system) Type M27 recommended\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eEasy wiring with slip-on connectors and terminal block\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12px;\"\u003eFully assembled float switch\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/441_Brochure.pdf\" target=\"_blank\"\u003e\u003cstrong\u003eBrochure\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/441_Installation.pdf\" target=\"_blank\"\u003e\u003cstrong\u003eInstallation Manual\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e","brand":"Liberty Pumps","offers":[{"title":"Default Title","offer_id":47344346529965,"sku":"50524","price":410.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/5895\/3645\/files\/441.jpg?v=1787907140","url":"https:\/\/www.bostonheatingsupply.com\/products\/liberty-441-battery-back-up-emergency-sump-pump-system","provider":"Boston Heating Supply","version":"1.0","type":"link"}