UPS CDP 10000 VA 8000 Watt On Line Zero transfer time Pure Sine Wave UPS W battery bank of 20 -7ah batteries for 8 min 100 load 3:1 crest facto SNMP option monitoring software 3 THD three wire 220 VAC input Out put 220 and 120 vac EPO 4 HR recharge to 90 ECO mode for power to lower operational cost Bypass PDU compatible Hot swapp batteries and 24 hour auto test Includes Complete Rail Kit