Add runtime where it matters most. The Eaton 9PXEBM360SP is an external battery module designed for the 9PX8KSP and 9PX10KSP UPS platforms, giving infrastructure teams a direct path to longer backup duration without replacing the core UPS. In environments where graceful shutdown windows are tight or outages last longer than expected, extra battery capacity can be the difference between controlled continuity and avoidable disruption. This 3U rack/tower module fits cleanly into mixed deployment environments, whether the UPS is installed in a cabinet, on a rail kit, or in a tower configuration. It is purpose-built for compatibility with the 9PX series, so you get a battery expansion path aligned to the UPS architecture rather than a generic add-on. That matters when uptime, serviceability, and predictable behavior under load are part of the purchase decision. For teams standardizing on Eaton 9PX systems, this module helps extend protection for servers, storage, network gear, and edge infrastructure that cannot tolerate short runtime margins. It is the right choice when you need more hold-up time, not a larger UPS chassis.