APC Symmetra RM 2-6kVA Battery Module Technical Specifications 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 1 Net weight 49 lbs. ( 22 kg ) Maximum height 3.25 inches ( 8.26 cm ) Maximum width 8.50 inches ( 21.59 cm ) Maximum depth 21.50 inches ( 54.61 cm ) Shipping Weight 52.50 lbs. ( 23.86 kg ) Shipping Width 14 inches ( 36 cm ) Shipping Height 9.75 inches ( 24.77 cm ) Shipping Depth 26 inches ( 66 cm ) Color Beige 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