Specifications 45 
Output tolerance specifications 
 
Source of power  Regulation 
Utility power (nominal 
range) 
-10% to +6% of nominal output voltage rating 
(within the guidelines of the Computer Business 
Equipment Manufacturers Association) 
Battery power  ±5% of nominal output voltage rating 
 
 
Output feature specifications 
 
Feature Specification 
Online efficiency  94% nominal input voltage 
Voltage wave shape  Sine wave; 5% THD with typical PFC load 
Surge suppression  High-energy 6500 A peak 
Noise filtering 
MOVs and line filter for normal and common mode 
use 
 
 
Battery specifications 
 
Feature Specification 
Type 
Each model contains maintenance-free, sealed, valve 
regulated lead-acid batteries with an 8-year minimum float 
service life at 25°C (77°F). 
Voltage 
The battery modules have a battery string voltage of 240 
V. 
Charging 
Complete charge takes no more than 48 hours. 
Approximately 3 hours to 80 percent capacity at default 
nominal utility voltage and no load. 
 
 
Battery runtime for NA/JPN model 
 
Load, W (percent) 
Estimated battery 
runtime (minutes) 
Runtime with one ERM 
(minutes) 
Runtime with two ERMs 
(minutes) 
20 59 169 303 
50 19 61 106 
80 9 31 60 
100 7  24  46 
 
 
Battery runtime for INTL model 
 
Load, W (percent) 
Estimated battery 
runtime (minutes) 
Runtime with one ERM 
(minutes) 
Runtime with two ERMs 
(minutes) 
20 49 138 247 
50 15 49 85 
80 7 25 48