HP T1500J HP UPS R/T3000 User Guide - Page 61

Battery specifications Feature Type Voltage Charging Specification 12 V, 5 AH, sealed, maintenance-free, rechargeable, valve regulated lead-acid batteries with a 3-5 year service life at 25°C (77°F). The battery modules have a battery string voltage of 120 V. Complete charge takes no more than 48 hours. After approximately 3 hours, the batteries reach 80% charge at default nominal utility voltage and no load. High-voltage UPS battery runtimes Load, percent 20 50 80 100 Estimated battery runtime 40 minutes 12 minutes 6 minutes 4 minutes Runtime with one ERM 125 minutes 50 minutes 30 minutes 24 minutes Runtime with two ERMs 225 minutes 89 minutes 54 minutes 43 minutes Low-voltage UPS battery runtimes Load, percent 20 50 80 100 Estimated battery runtime 45 minutes 15.5 minutes 7 minutes 5 minutes Runtime with one ERM 142 minutes 55 minutes 34 minutes 26 minutes Runtime with two ERMs 256 minutes 99 minutes 60 minutes 47 minutes Environmental specifications Feature Operating temperature Nonoperating temperature Relative humidity Operating altitude Nonoperating altitude Audible noise Specification 10°C to 40°C (50°F to 104°F); UL-tested at 25°C (77°F) -20°C to 50°C (-4°F to 122°F) 20% to 80%; noncondensing Up to 2,000 m (6,600 ft) above sea level 15,000 m (49,212 ft) above sea level Less than 45 dBA, normal operation Less than 50 dBA, on battery power Specifications 61