- Heavy duty design
 - Automatic internal bypass
 - Scalable runtime
 - Intelligent battery management
 - Hot-swappable batteries
 - Automatic restart of loads after UPS shutdown
 - Temperature-compensated battery charging
 - Network manageable
 - InfraStruXure manager compatible
 - LED status indicators
 - Serial connectivity
 - Plug-and-Play external batteries
 - Rack/tower convertible
 - Flash-upgradeable firmware
 - Serviceability user-replaceable batteries
 - Automatic self-test
 - Disconnected battery notification
 - Audible alarms
 - Frequency and voltage regulation
 - Power conditioning
 - Input power factor correction
 - Generator compatible
 - Cold-start capable
 - Resettable circuit breakers
 - Safety-agency approved
 
APC SURTRK4 gives performance power protection with scalable runtime for space-constrained server rooms, and voice and data networks.