The MegaRAID LSIiBBU05 is a battery-backup module that protects the integrity of the cached data on a MegaRAID controller by providing backup power if there is a complete AC power failure or a brief power outage, The LSI MegaRAID battery backup units provide an inexpensive alternative to using an Uninterruptible Power Supply (UPS), Primary Information, Battery Type:Battery pack, Battery Technology:TBD, Battery Capacity:TBD, UNSPSC Code, UNSPSC Code:26111700 SKU: SY2548243