{"product_id":"allen-bradley-1747-ba-slc-5-03-5-04-5-05-replacement-battery","title":"Allen-Bradley 1747-BA SLC 5\/03 5\/04 5\/05 Replacement Battery","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley 1747-BA serves as a critical industrial-grade lithium backup battery assembly for the SLC 500 and MicroLogix 1500 controller platforms. This non-rechargeable 3.0V DC cell provides continuous electrical current to the processor's volatile RAM circuit whenever primary system power drops out. By maintaining this voltage threshold, the battery prevents the immediate erasure of active user application programs, system configurations, timers, counters, and registers in SLC 5\/01, 5\/02, 5\/03, 5\/04, and 5\/05 hardware.\u003c\/p\u003e\n\u003cp\u003eWe supply this product exclusively as a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New, original factory unit\u003c\/strong\u003e, featuring fresh chemical cell dating, maximum charge capacity, and a pre-installed, keyed 2-pin connector plug for immediate installation into the CPU battery compartment.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Data\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen-Bradley \/ Rockwell Automation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1747-BA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNon-Rechargeable Lithium Battery Assembly\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100% Brand New Original\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNominal Output Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.0 Volts DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNominal Energy Capacity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e850 mAh\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eChemical Composition\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLithium Thionyl Chloride (Li-SOCl2)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCell Size Profile\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCR14250 Configuration\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTerminal Connection Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2-pin keyed female plug with insulated wire leads\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePrimary Function\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eVolatile RAM memory and data retention\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSupported CPU Hardware\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSLC 5\/01, 5\/02, 5\/03, 5\/04, 5\/05, MicroLogix 1500\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSupported Memory Modules\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1747-M11, 1747-M12, 1747-M13 Series\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEstimated Operational Life\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 to 5 years (dependent on control system unpowered duration)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Thermal Envelope\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-20 to 60 degrees Celsius (-4 to 140 degrees Fahrenheit)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eStorage Temperature Limits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-40 to 85 degrees Celsius (-40 to 185 degrees Fahrenheit)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRelative Environmental Humidity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5 to 95 percent non-condensing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePhysical Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.04 lbs (approx. 18 grams)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEliminate Costly PLC Program Corruption:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUnexpected power grid failures wipe volatile RAM instantly if the backup power source fails. The 1747-BA maintains a stable 3.0V DC charge directly to the processor memory board, preserving thousands of lines of code and proprietary automation recipes during long-term maintenance shutdowns.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStreamline Maintenance with Keyed Safety Plugs:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eReverse polarity wiring can permanently fry delicate internal processor elements. This battery assembly includes an integrated, physical 2-pin keyed connector wire harness that slides exclusively into the official slot orientation, eliminating field insertion errors entirely.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExtend Lifecycle via Premium Li-SOCl2 Chemistry:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eStandard alkaline chemistry leaks corrosive fluids and discharges rapidly under extreme factory ambient conditions. The Lithium Thionyl Chloride configuration minimizes self-discharge rates, delivering stable, continuous memory protection over an extended 2-to-5-year operational window.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStandardize Backup Protocols Across Legacy Hardware:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMaintaining distinct power accessories for every machine generation inflates warehouse overhead. The 1747-BA interfaces perfectly across the entire SLC 500 spectrum and select MicroLogix architectures, reducing inventory footprints to a single spare part.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I replace this battery while the SLC 500 processor is powered down?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. You must keep the SLC 500 chassis primary power energized during the battery replacement procedure. If you disconnect the old battery while the rack power is off, the CPU capacitor will only hold the RAM memory for a few minutes before the user program and system configuration vanish completely.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow does a technician identify a depleted 1747-BA battery in production?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe front display panel of the SLC 500 CPU features a dedicated, red \"BATT\" status LED indicator. Under normal conditions, this LED stays unlit. When the battery voltage drops below the safe threshold, the \"BATT\" LED illuminates, signalling that the maintenance team must replace the battery assembly within days to prevent data loss.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this lithium cell require special shipping considerations?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Because the 1747-BA utilizes Lithium Thionyl Chloride solid chemistry, transportation authorities classify it as hazardous material (Hazmat Class 9). The product requires regulatory-compliant outer packaging, certified safety handling labels, and specific transport documentation to meet international shipping guidelines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":43392158662746,"sku":"1747-BA","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/96._5e4459fc-aa95-492d-a49e-65b8faab2639.jpg?v=1779158471","url":"https:\/\/www.spareoil.com\/products\/allen-bradley-1747-ba-slc-5-03-5-04-5-05-replacement-battery","provider":"SpareOil Automation","version":"1.0","type":"link"}