Quick Specs Device Type: Battery for Battery-Backed Write Cache (BBWC) Voltage: 4.8 V Capacity: 650 mAh Battery Type: Nickel-Metal Hydride (Ni-MH) Part Numbers: Option 462969-B21, Spare 462976-001, Assembly 460499-001 Cable: 15-pin, 28 AWG, approximately 600 mm (23.6 in) long Compatible Controllers: HPE Smart Array P212, P410, P411 Supported Servers: HPE ProLiant DL, ML, BL, SL, and WS G5 through G7 Weight: Approximately 281 g (battery + cable) Dimensions (Kit): Approximately 9 x 7 x 5 in Part Number: 462976-001 The HPE 4.8V Battery (part number 462976-001) is a Ni-MH battery pack designed for use with Smart Array RAID controllers that rely on Battery-Backed Write Cache (BBWC). It delivers 4.8 volts and 650 mAh of capacity, helping preserve cached data during unexpected power loss by keeping the memory module powered long enough for data to be safely written to disk. This battery is compatible with the Smart Array P212, P410, and P411 controllers and fits a wide range of ProLiant servers from the G5 through G7 generations, including DL, ML, BL, and WS models. The kit includes a ~600 mm 15-pin cable and is a reliable part for maintaining RAID controller protection in enterprise environments.
