Battery Type   Maintenance-free sealed lead-acid battery with thickened electrolyte : leak protection Expected battery life (years)   3-5 years old Number of battery packs per chain   10 RBC™ quantity   1 Battery installation   Closed battery cartridge Battery output voltage   120 Form factor   Rack-mounted Rackmount (Installation in the cabinet) Maximum height   76mm , 7.6cm Maximum width   203mm , 20.3cm Maximum depth   584mm , 58.4cm Net weight, kg   22.27 Gross weight, kg   25.18 Transport package height 228mm , 22.8cm The depth of the transport package is 761mm , 76.1cm The width of the transport package is 393mm , 39.3cm Devices on a pallet   12 Operating temperature   0 - 40 °C Operating range of relative humidity   0 - 95 % Operating range of altitude above sea level   0-3000meters Storage temperature   -15 - 45 °C Relative humidity of storage   0 - 95 % Storage altitude above sea level   0-15000meters