ROLINE ProSecure III BatteryPack 2000 for floor-standing devices: 2000VA External battery units for ROLINE ProSecure UPSs External backup time extension, can be used with ROLINE ProSecure III 2000 VA stand-alone deviceWindows NT/ 2k / XP / 7 / 8 / 10 Server 2003 / 2008 / 2012 x86/x64, MAC OS X (Intel) 10.6.x, 10.7.x, 10.8.x Mountain Lion, 10.9.x MavericksMAC OS,