APC Smart-UPS VT 20kVA w/ 3 Battery Modules Expandable to 4

APC Smart-UPS VT 20kVA w/ 3 Battery Modules Expandable to 4 ... Smart-UPS family. Expanding up through to small data centers, remote offices, Point of Sale applications and laboratory equipment Smart-UP VT is ideal for entry level and performance power protection needs. Smart-UPS VT features double-conversion on-line design and offers internal and external batteries in a user friendly, scalable design. The UPS includes dual mains input for increased availability and a built-in maintenance bypass breaker.