The Eaton 9PX lithium-ion rackmount and tower UPS provides 8 to 10 years of life expectancy for UPS and batteries. The 9PX lithium-ion UPS has power ratings ranging from 1 to 3 kVA, with low and high voltage options and offers up to four optional external battery modules for extra runtime. The 9PX lithium-ion UPS, available in rackmount and tower form, has the same reliable features as the lead-acid UPS, including load segments that allow for prioritized shutdown, remote power on (RPO), remote on/off (ROO) and output relay ports that increase control capabilities.