{"product_id":"plc-siemens-6es7971-1aa00-0aa0-6es7-971-1aa00-0aa0-simatic-s7-backup-battery","title":"PLC |  Siemens | 6ES7971-1AA00-0AA0 6ES7 971-1AA00-0AA0 SIMATIC S7 Backup battery","description":"\u003ch2\u003eProduct Description: Siemens 6ES7971-1AA00-0AA0\u003c\/h2\u003e\r\n\u003cp\u003eThe Siemens 6ES7971-1AA00-0AA0 is a dedicated lithium backup battery designed to maintain memory and real-time clock functions in SIMATIC S7-300 CPUs and legacy S5-90U controllers. Installed in the CPU’s battery compartment, it delivers a reliable 3.6 V supply at 0.85 Ah to preserve user programs, data and timekeeping during power outages or maintenance activities.\u003c\/p\u003e\r\n\u003ch2\u003eKey Features\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eChemistry\u003c\/strong\u003e: Lithium manganese dioxide primary cell\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e: 3.6 V DC\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eCapacity\u003c\/strong\u003e: 0.85 Ah (850 mAh)\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eForm Factor\u003c\/strong\u003e: Cylindrical cell sized for direct clip-in into CPU battery holder\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eService Life\u003c\/strong\u003e: Designed for long-term backup — typical shelf life ≥ 10 years\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature Range\u003c\/strong\u003e: –25 °C … +70 °C\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eStorage Temperature Range\u003c\/strong\u003e: –40 °C … +80 °C\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e: 3.6 V DC\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eCapacity\u003c\/strong\u003e: 0.85 Ah\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eContinuous Discharge Current\u003c\/strong\u003e: ≤ 50 mA\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003ePulse Discharge Capability\u003c\/strong\u003e: ≤ 200 mA (short-term peaks)\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eDimensions (Ø × Length)\u003c\/strong\u003e: 20 mm × 50 mm (approximate)\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: ≈ 15 g\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eShelf Life\u003c\/strong\u003e: ≥ 10 years (at 20 °C, 50 % RH)\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eProtection Class\u003c\/strong\u003e: IP00 (installed within CPU module)\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch2\u003eApplication Areas\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eMemory backup for SIMATIC S7-300 CPU modules during power failures\u003c\/li\u003e\r\n\u003cli\u003eReal-time clock retention in S7-300 and S5-90U controllers\u003c\/li\u003e\r\n\u003cli\u003ePrevention of program and data loss during maintenance or outages\u003c\/li\u003e\r\n\u003cli\u003eIndustrial automation systems where reliable data retention is essential\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch2\u003eAdvantages\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eReliable Data Retention\u003c\/strong\u003e: Ensures uninterrupted memory and clock functions under all conditions\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eLong Shelf Life\u003c\/strong\u003e: Lithium chemistry delivers a decade of standby readiness without replacement\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eWide Temperature Tolerance\u003c\/strong\u003e: Operates over extreme industrial temperature ranges\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eEasy Replacement\u003c\/strong\u003e: Drop-in format matches CPU holder for fast service\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eCost-Effective\u003c\/strong\u003e: Minimizes costly program reloads and system downtime after power loss\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Rabwellplc","offers":[{"title":"Default Title","offer_id":47070881317088,"sku":"07*6ES7971-1AA00-0AA0","price":21.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0708\/1947\/9776\/files\/10_2899059e-c211-422e-8128-ea2ca2987f18.jpg?v=1740649898","url":"https:\/\/rabwellplc.com\/products\/plc-siemens-6es7971-1aa00-0aa0-6es7-971-1aa00-0aa0-simatic-s7-backup-battery","provider":"Rabwellplc","version":"1.0","type":"link"}