APC Smart-UPS X-Series 48V External Battery Pack Rack/Tower Includes: Installation guide, Rack Mounting brackets Output battoutvolt 48 Input Nominal Input Voltage 48VDC Batteries & Runtime Battery Volt-Amp-Hour Capacity 864 Battery Type Maintenance-free sealed Lead-Acid battery with suspended electrolyte : leakproof Battery mounting Enclosed battery cartridge Expected Battery Life (years) 3 - 5 RBC™ Quantity 2 Physical Net Weight 28.64 KG Maximum Height 89.00 mm Maximum Width 432.00 mm Maximum Depth 490.00 mm Shipping Weight 35.50 KG Shipping Width 589.00 mm Shipping Height 246.00 mm Shipping Depth 620.00 mm Rack Height 2U Color Black Units per Pallet 8.00 Conformance Standard Warranty 2 years repair or replace Environmental Compliance RoHS 7b Exemption,REACH: Contains No SVHCs