Restore the battery section of a compatible APC Symmetra SYA4K8P UPS with a complete 10-cell sealed lead-acid battery module. This format replaces the battery module as an assembly, providing the cell count and electrical specification associated with the Symmetra system rather than requiring individual battery-cell replacement. The listed electrical rating is 12 V, 9 A. Battery Technology SYBT5-TAA is intended for the APC Symmetra SYA4K8P platform named in its compatibility specification. Its 10-cell construction is the key distinction for installations that need a complete matching battery module for this UPS configuration. Match the UPS model and battery-module designation before scheduling replacement work, particularly where runtime restoration depends on using the specified module format. Sealed lead-acid chemistry makes this module suited to UPS battery compartments built around SLA battery assemblies. It supports maintenance work on Symmetra systems where aging battery modules can reduce available backup time or trigger battery replacement alerts. The SYBT5 designation and SYBT5-TAA ordering code refer to the same battery module, helping teams align the installed battery format with the required replacement assembly.