The Series 1:1 Rack Online UPS is the ideal choice for small data center. It supports in-built battery. And the 6kVA and 10kVA rack UPS of this series apply the advanced 3 level of technology, compatible with complicated load. The series has 1kVA, 2kVA, 3kVA, 6kVA, 10 kVA can be chosen.