APC Smart-UPS XL 24V Battery Pack Features: Cascading Capabilities Hot Pluggable Operation Intelligent Battery Management Technical Specifications Battery type Maintenance-free sealed Lead-Acid battery with suspended electrolyte : leakproof Expected Battery Life (years) 3 - 5 RBC™ Quantity 1 Net weight 69 lbs. ( 31 kg ) Maximum height 8.50 inches ( 21.59 cm ) Maximum width 6.70 inches ( 17.02 cm ) Maximum depth 17.30 inches ( 43.94 cm ) Shipping Weight 73 lbs. ( 33 kg ) Shipping Width 12.60 inches ( 32.00 cm ) Shipping Height 15.25 inches ( 38.74 cm ) Shipping Depth 23.25 inches ( 59.06 cm ) Color Black Units per Pallet 24 Operating Environment 0 - 40 °C ( 32 - 104 °F ) Operating Relative Humidity 0 - 95 % Operating Elevation 0-10000 feet ( 0-3000 meters ) Storage Temperature -15 - 45 °C ( 5 - 113 °F ) Storage Relative Humidity 0 - 95 % Storage Elevation 0-50000 feet ( 0-15000 meters ) Standard warranty 2 years repair or replace