APC Symmetra RM 8-12kVA Battery Module Features: Hot Pluggable Operation Hot Swap Batteries 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 62 lbs. ( 28 kg ) Maximum height 5.30 inches ( 13.46 cm ) Maximum width 6.50 inches ( 16.51 cm ) Maximum depth 23.10 inches ( 58.67 cm ) Shipping Weight 69 lbs. ( 31 kg ) Shipping Width 13 inches ( 33 cm ) Shipping Height 17.30 inches ( 43.94 cm ) Shipping Depth 31.10 inches ( 78.99 cm ) 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, optional on-site warranties available, optional extended warranties available