The Liebert GXT4 288VBATT is a 288VDC Rack Tower external battery cabinet is designed for use with the Liebert GXT3 8000RT208, GXT3 10000RT208, GXT4 8000RT208, and GXT4 10000RT208 UPS systems. Includes the internal battery, rack slide kit RMKIT18 32 , 1.5 foot internconnect cable, and ships on an individual pallet. Standard two year warranty, with optional warranty extensions of one year or three years p Compatibility b Emerson Liebert UPS b ul li GXT3 8000RT208 li li GXT3 10000RT208 li li GXT4 8000RT208 li li GXT4 10000RT208 li ul p ul li Gxt4 288V rt ebc with rack mount kit for gxt 8 10kva Rt208 ups li li External battery cabinet for 8000 10000va Rt208 ups models li li 3 hours to 90 capacity after full discharge into 100 load li ul