APC Smart-UPS RM 2U XL 24V Battery Pack Black Includes: Rack Mounting Brackets, User Manual Features: Cascading Capabilities Hot Pluggable Operation Hot Swap Batteries Intelligent Battery Management Rack Mount Technical Specifications Battery Output Voltage 12 Battery type Maintenance-free sealed Lead-Acid battery with suspended electrolyte : leakproof Battery mounting Enclosed battery cartridge Battery manufacturer Panasonic Expected Battery Life (years) 3 - 5 RBC™ Quantity 1 Net weight 67 lbs. ( 30 kg ) Maximum height 3.37 inches ( 8.56 cm ) Maximum width 17 inches ( 43 cm ) Maximum depth 19 inches ( 48 cm ) Shipping Weight 80 lbs. ( 36 kg ) Shipping Width 23.25 inches ( 59.06 cm ) Shipping Height 11 inches ( 28 cm ) Shipping Depth 25 inches ( 64 cm ) Color Black Units per Pallet 12 Operating Environment 0 - 40 °C ( 32 - 104 °F ) Operating Relative Humidity 0 - 85 % Operating Elevation 0-10000 feet ( 0-3000 meters ) Storage Temperature 0 - 40 °C ( 32 - 104 °F ) Storage Relative Humidity 0 - 85 % Storage Elevation 0-50000 feet ( 0-15000 meters ) Standard warranty 2 years repair or replace