Specifications 61
Battery specifications
Feature Specification
Type
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).
Voltage The battery modules have a battery string voltage of 120 V.
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 4 minutes 24 minutes 43 minutes
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
-20°C to 50°C (-4°F to 122°F)
Relative humidity 20% to 80%; noncondensing
Operating altitude Up to 2,000 m (6,600 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
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