View the refurbished HPE Smart Array Controller Batteries 782961-B21 878642-001 quickspecs here
The refurbished HPE Smart storage battery is a lithium-ion, low-halogen centralized backup source and is required to backup the write cache content onto flash memory on the HPE Smart Array Gen10 and Gen9 performance RAID (P-class) controllers in case of an unplanned server power loss. The refurbished battery is also the backup power source for HPE NVDIMMS and allows any data in flight on the DRAM to be moved to the non-volatile NAND flash. Only one battery is required per server as it can support up to 24 devices.
This refurbished HPE Smart Array Controller Battery is compatible with the following:
HPE ProLiant DL20 Gen10
DL20 Gen10 Entry
DL20 Gen10 Performance
DL20 Gen10 solution
XL230a Gen9
XL230a Gen9 Compute Tray
XL230a Gen9 Compute Tray (12G)
XL230a Gen9 Compute Tray (6G)
XL230a Gen9 NHP Compute Tray (12G)
XL250a Gen9, XL270d Gen9