HP R1500 HP UPS R1500 G2 User Guide - Page 38

Feature Charging Specification Advanced charging for faster recovery. Complete charge takes no more than 24 hours. After approximately 4 hours, the batteries reach 90% charge at default nominal utility voltage and no load. Battery runtime Load, percent 20 50 80 100 Load, watts 200 500 800 1000 Estimated battery runtime at 100% battery charge 58 minutes 17 minutes 8 minutes 5 minutes Environmental specifications Feature Operating temperature Nonoperating temperature Relative humidity Operating altitude Nonoperating altitude Audible noise Specification 0°C to 35°C (32°F to 95°F) -15°C to 55°C (5°F to 131°F) 5% to 95%; noncondensing Up to 3,000 m (9,843 ft) above sea level Up to 15,000 m (49,212 ft) above sea level Less than 45 dBA Serial communications port pin assignment Specifications 38