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Battery pack IBM Controller Cache Battery 59Y5491-RFB 3.6V 1000mAh
Summary description:
Replacement controller cache battery for IBM storage controllers, model 59Y5491-RFB. Rechargeable 3.6V, 1000mAh capacity designed to preserve cache data during power loss and ensure safe shutdown of storage systems. Intended for use in compatible IBM controller modules to maintain data integrity and prevent cache corruption. Easy to install in supported units.