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The 1756-BA2 is a 3V DC lithium battery assembly with a 1200 mAh capacity rating. It is purpose-built to provide reliable backup power specifically for Series B ControlLogix 5560 controllers.
Stable and constant microcurrent power supply specifications
Complete live on-site hot-swapping without equipment downtime
The battery assembly incorporates a lithium poly-carbon monofluoride industrial cell as its energy carrier
The 1756-BA2 incorporates a lithium poly-carbon monofluoride industrial cell as its core energy carrier within its internal construction and electrochemical mechanism. This specific lithium chemistry material delivers exceptional electrochemical stability with an extremely low self-discharge rate during continuous storage and service, thereby drastically extending the hardware lifespan on harsh industrial sites. In terms of electrical ratings, the nominal rated DC output voltage of the battery cell inside this assembly is 3.0 Volts, and its nominal energy capacity is stably maintained at the standard of 1200 milliampere-hours.
Its stable internal chemical reaction mechanism can continuously and durably output an extremely low-fluctuation microcurrent to the motherboard circuits under extreme conditions when the external power supply bus is unexpectedly interrupted or the entire control cabinet loses power, providing pure physical current support for the static random access memory inside the processor to firmly lock in core field process parameters, historical event logs, and recipe data.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Allen Bradley 1756-BA2 Battery Assembly Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Semiconductor Wafer Fabrication
Prevents process sequence disruption of ultra-pure water and specialty gas delivery controllers during transient power grid glitches in cleanrooms, avoiding the scrapping of high-value wafers.
Pharmaceutical Formulation & Bio-Fermentation
Locks current batch counts, timers, and FDA-compliant audit trail data during unexpected power failures during the active pharmaceutical ingredient (API) batch blending and sterilization phases.
Thermal Power Plant
Prevents the loss of interlocking logic in the cluster controllers of tens of kilometers of long-distance coal conveyor belts during a plant black start or emergency power failure.
Iron & Steel Smelting & Blast Furnace Batching
Saves complex metallic element blending recipes and valve safety reset statuses when an external power interruption leads to an electric arc furnace or blast furnace shutdown.
Paper Machine High-Speed Coating & Rewinding
Locks tension control profiles, drive shaft synchronization calibration parameters, and roll length statistics when web breaks occur and the entire line undergoes emergency power-off maintenance.
Commercial Cold-Chain Automated Warehousing
Protects dynamic storage slot inventory topology maps and logistics task queues inside stacker crane and conveyor PLCs during power maintenance on large cold storage refrigeration units.
When using the 1756-BA2 battery you must perform the replacement while the PLC chassis remains powered up otherwise removing the battery during a power outage will instantly erase all programs and data from the CPU memory. The battery is classified as a hazardous lithium metal product which must never be thrown into fire charged disassembled or short-circuited and depleted cells must be recycled according to environmental regulations.
When the red BATT indicator lights up on the CPU front panel it signifies that the battery voltage has dropped to a critical threshold requiring immediate replacement. Furthermore routine maintenance should include periodic inspections and a mandatory replacement cycle of 2 to 3 years to prevent electrolyte leakage or total battery failure.
The Allen-Bradley 1756-BA2 is a 3.0V industrial-grade lithium battery assembly dedicated for ControlLogix 5560 series (Series B) processors, integrated as a single unit with a battery cell, wire leads, and a keyed connector. When the control cabinet loses power, this assembly provides uninterrupted microcurrent to the PLC internal SRAM memory and real-time clock to lock in core programs and process recipes. It supports live on-site swapping, enabling seamless periodic maintenance over a one-to-two-year cycle without any loss of memory data.
What kind of hardware is the 1756-BA2 commonly used on industrial sites?
This is an industrial grade lithium battery assembly dedicated for programmable automation controllers, integrating wire leads, a connector, and a bare battery cell inside.
What is the original manufacturer and brand name of the 1756-BA2 in the global industrial control spare parts system?
The original manufacturer of this product is the Allen Bradley brand under Rockwell Automation, which is a globally renowned equipment vendor for large and medium sized industrial control systems.
How should field technicians use a battery assembly like the 1756-BA2 during maintenance?
Users need to open the plastic protective cover at the front of the controller, push the battery assembly laterally into the dedicated internal battery slot, and securely align and insert the keyed connector into the corresponding power pin socket on the mainboard.
Which major category of industrial controller systems does the 1756-BA2 belong to in hardware inventory and system classification?
It officially belongs to the large and medium sized programmable control system product line, serving as an indispensable standard power off back up accessory within its core control hardware ecosystem.
What kind of field power outage issue can configuring the 1756-BA2 core inside a control cabinet resolve?
It addresses the risk of main control data corruption or loss when the workshop main power supply bus suffers an unexpected outage, providing continuous physical current support for the controller internal volatile static random access memory and real time clock.
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Disclaimer: We are not an authorized distributor or distributor of the product manufacturer of this website, The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because our company is not an authorized distributor of this product, the Original Manufacturer`s warranty does not apply.While many DCS PLC products will have firmware already installed, Our company makes no representation as to whether a DSC PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Our company also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from our company, its distributors, or any other source. Our company also makes no representations as to your right to install any such firmware on the product. Our company will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.
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