Battery Chemistry Lead Acid Number of Batteries 4 Backup/Run Time (Half Load) 18 Minute Backup/Run Time (Full Load) 7 Minute Battery Characteristics Maintenance-free Typical Battery Recharge Time 8 Hour Dataline Protection RJ-11 / RG-6 / RJ-45 Plug/Connector Type NEMA 5-15P Receptacle Type NEMA 5-15R AVR Yes Receptacle Detail 8 x NEMA 5-15R Network Management SNMP Manageable Load Capacity (VA) 1500 VA USB Yes Serial Port Yes