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Specifications 47
Battery specifications
Feature Specification
Type
12 V, 9 AH, sealed, maintenance-free, rechargeable, lead-acid
battery
Voltage The battery modules have a battery string voltage of 48 V.
Charging
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 Load, watts Estimated battery runtime Runtime with an ERM
20 100 45 minutes 150 minutes
50 250 15 minutes 60 minutes
80 400 8.5 minutes 30 minutes
100 500 6 minutes 20 minutes
Environmental specifications
Feature Specification
Operating temperature 0°C to 40°C (32°F to 104°F)
Nonoperating temperature -15°C to 50°C (5°F to 122°F)
Relative humidity 0% to 95%; noncondensing
Operating altitude Up to 2,000 m (6,600 ft) above sea level
Nonoperating altitude Up to 15,000 m (49,212 ft) above sea level
Audible noise Less than 53 dBA