{"product_id":"allen-bradley-1756-ba1-plc-lithium-battery","title":"Allen-Bradley 1756-BA1 ControlLogix and FlexLogix Lithium Battery Assembly","description":"\u003cp\u003eThe Allen-Bradley 1756-BA1 is a 3.0V DC lithium battery assembly designed to provide memory backup for ControlLogix, CompactLogix, and FlexLogix processor modules. This non-rechargeable battery is essential for maintaining user programs, data tables, and system configuration settings in volatile RAM when the primary power source is removed or interrupted.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReliable 3V lithium manganese dioxide chemistry.\u003c\/li\u003e\n\u003cli\u003ePre-installed connector for direct integration with compatible controller chassis.\u003c\/li\u003e\n\u003cli\u003eHigh-capacity cell design (1800 mAh) for extended memory retention.\u003c\/li\u003e\n\u003cli\u003eCompact cylindrical form factor (2\/3A size).\u003c\/li\u003e\n\u003cli\u003eEssential for preventing data loss during power outages or maintenance cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eProcess and Manufacturing Automation: Ensures continuity of logic and configuration data.\u003c\/li\u003e\n\u003cli\u003eSafety Control Systems: Maintains critical state logic within safety-rated chassis.\u003c\/li\u003e\n\u003cli\u003eHigh-Availability Operations: Facilitates rapid system restarts and minimizes downtime.\u003c\/li\u003e\n\u003cli\u003eMotion and Drive Control: Retains positioning data and configuration parameters for servo systems.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley (Rockwell Automation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1756-BA1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Type\u003c\/td\u003e\n\u003ctd\u003eLithium Manganese Dioxide (2\/3A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e3.0V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Capacity\u003c\/td\u003e\n\u003ctd\u003e1800 mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003eCylindrical (14 x 34 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003eRecommended storage near 30 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the controller is powered down before attempting to install or replace the battery module.\u003c\/li\u003e\n\u003cli\u003eRoute the battery cable carefully to the designated connector port on the ControlLogix controller chassis.\u003c\/li\u003e\n\u003cli\u003eAvoid excessive heat; the service life of the battery is significantly reduced if the surrounding chassis temperature exceeds 30 degC.\u003c\/li\u003e\n\u003cli\u003eReplace the battery every 2 years under normal conditions, or more frequently if the controller experiences frequent power cycles.\u003c\/li\u003e\n\u003cli\u003eHandle with care to avoid short-circuiting the battery terminals.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eWhat is the primary function of the 1756-BA1?\u003c\/h3\u003e\u003cp\u003eThe 1756-BA1 acts as a backup power source for volatile RAM in legacy Allen-Bradley controllers, ensuring that user logic and configuration data are not lost during power-down events.\u003c\/p\u003e\u003ch3\u003eIs this battery compatible with Series B controllers?\u003c\/h3\u003e\u003cp\u003eNo. The 1756-BA1 is designed for specific legacy and Series A controllers. It features a large connector that is physically incompatible with Series B or later processors, which require the 1756-BA2 battery.\u003c\/p\u003e\u003ch3\u003eHow long does the battery last?\u003c\/h3\u003e\u003cp\u003eUnder normal conditions, the expected life is approximately 2 years. This duration may decrease to 3–6 months if the controller is frequently power-cycled or stored without backplane power.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":51092855816444,"sku":"1756-BA1 PLC","price":56.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_992b50c2-e14d-45a7-9b31-90e5ce00d55e.jpg?v=1788027561","url":"https:\/\/www.electronicplc.com\/products\/allen-bradley-1756-ba1-plc-lithium-battery","provider":"Electronic PLC","version":"1.0","type":"link"}