APC Smart-UPS SRT 192V 8kVA and 10kVA RM Battery Pack - Battery enclosure (rack-mountable) - 2 x battery - lead acid - 3U - black - TAA Compliant - for P/N: SRT10KXLTW, SRT10RMXLIX806, SRT5KRMXLW-TW, SRT6KXLTUS, SRT6KXLTW, SRT8KXLTUS APC Network UPS 12Vdc Lithium Battery ...