High Serviceability: “Black Box” feature 
 

Customer Benefits: Lower risk of down time through faster fault finding and trouble-shooting “Black Box” Function Continuous snapshots of parameters in 10ms interval, snapshots within the last 1.5 work cycle preceding a fault event are immediate frozen and stored into the memory. All event records are exportable in text format

High Availability: Battery Management
   

Customer Benefits: Greater Uptime & Peace-of-mind design DCUG 2009: 70% of UPS faults were due to battery fault Liebert APM equipped with battery management features： Auto Boost/float charges Temp compensation Adjustable End of discharge voltage Self Battery diagnosis Battery capacity estimate Low Battery voltage alarm warning   Intelligent Battery management can prolong battery life up to 50%