Specifications  63 
Feature  Specification 
Charging 
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  Estimated battery 
runtime 
Runtime with one ERM  Runtime with two ERMs 
20 
40 minutes  125 minutes  225 minutes 
50 
12 minutes  50 minutes  89 minutes 
80 
6 minutes  30 minutes  54 minutes 
100 
  
 
Low-voltage UPS battery runtimes 
  
Load, percent  Estimated battery 
runtime 
Runtime with one ERM  Runtime with two ERMs 
20 
45 minutes  142 minutes  256 minutes 
50 
15.5 minutes  55 minutes  99 minutes 
80 
7 minutes  34 minutes  60 minutes 
100 
5 minutes  26 minutes  47 minutes 
  
 
Environmental specifications 
  
Feature  Specification 
Operating temperature 
10°C to 40°C (50°F to 104°F); UL-tested at 25°C 
(77°F) 
Nonoperating 
temperature 
-15°C to 40°C (-5°F to 104°F) 
Relative humidity 
20% to 80%; noncondensing 
Operating altitude 
Up to 3,000 m (9,842 ft) above sea level 
Nonoperating altitude 
15,000 m (49,212 ft) above sea level 
Audible noise 
Less than 45 dBA, normal operation 
Less than 50 dBA, on battery power 
 
 
REPO port specifications 
The REPO port meets the requirements of NFPA 70 and NEC Articles 645-10 and 645-11 for a 
Disconnecting Means.