Keyzone offer Tripp Lite range of reliable and cost-efficient UPS solutions to protect and support critical systems in any environment. Over 6 Million UPS systems manufactured and sold to date put Tripp Lite in the forefront of UPS technology. Most models have extendable run-time capability using either expandable or non-expandable external battery packs. All models accept internal SNMP/Web cards for remote shutdowns, reboots and more.