Automatic Voltage Regulation (AVR), Built-in automatic bypass, Built-in manual bypass, Built-in SmartSlot, EPO, Hot Swap Batteries, Hot Swap Electronics, Input Power Factor Correction, Intelligent Battery Management, LCD AlphaNumeric Display, Overload Indicator, Replace Batt Indicator, Scalable Power Capacity, Scalable Run Time, Software, User Replaceable batteries, Web Management 1 YEAR REFURBISHED WARRANTY WITH NEW BATTERIES - TRUCK FREIGHT ONLY - FOB ORIGIN |