APC Smart-UPS X 120V External Battery Pack Rack/Tower Output battoutvolt: 120 Batteries & Runtime Battery Volt-Amp-Hour Capacity: 1200 Battery Type: Maintenance-free sealed Lead-Acid battery with suspended electrolyte : leakproof Battery mounting: Enclosed battery cartridge Battery manufacturer: -- Expected Battery Life (years): 3 - 5 RBC™ Quantity: 2 Battery blocks per string: 10 Physical Net Weight: 56.36 KG Maximum Height: 85.00 mm Maximum Width: 432.00 mm Maximum Depth: 667.00 mm Shipping Weight: 63.64 KG Shipping Width: 596.00 mm Shipping Height: 243.00 mm Shipping Depth: 869.00 mm Rack Height: 2U Color: Black Units per Pallet: 8.00 Environmental Operating Environment: 0 - 40 °C Operating Relative Humidity: 0 - 95% Operating Elevation: 0-3000 meters Storage Temperature: -15 - 45 °C Storage Relative Humidity: 0 - 95% Storage Elevation: 0-15000 meters Conformance Standard Warranty: 2 years repair or replace Environmental Compliance: RoHS 7b Exemption,REACH: Contains No SVHCs Features Ensures clean, uninterrupted power to protected equipment while batteries are being replaced Increases availability by allowing a trained user to perform upgrades and replacements of the batteries reducing Mean Time to Repair (MTTR) Allows additional run time to be quickly added as needed. Maximizes battery performance, life, and reliability through intelligent, precision charging. Protects the initial investment in the UPS when migrating from tower to rack-mount environment.