ROLINE ProSecure III BatteryPack 1000 for stand-alone devices: 1000VA External battery units for ROLINE ProSecure UPSs External backup time extension, usable with ROLINE ProSecure III 1000 VA Windows 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,