Dell Precision R5500 Owner's Manual page 102

Power
Coin-cell battery
Voltage
Wattage
Maximum heat dissipation
NOTE: Heat dissipation is calculated by using the power supply wattage rating.
NOTE: See the safety information that shipped with your computer for important
voltage setting information.
Physical
Height
Width
Depth
with front bezel
without front bezel
Weight (Minimum)
with front bezel
without front bezel
Environmental
Temperature:
Operating
Storage
Relative humidity (maximum):
Operating
Storage
Maximum vibration:
Operating
102
3 V CR2032 lithium coin cell
100 V to 240 V, 12.00 A to 6.00 A, 50 Hz to
60 Hz
1023 W on 100 VAC to 120 VAC, 1100 W
on 200 VAC to 240 VAC
4774 BTU/hr
86.30 mm (3.40 inches)
440.60 mm (17.35 inches)
792.70 mm (31.21 inches)
753.60 mm (29.67 inches)
23.91 kg (52.6 lb)
23.52 kg (51.7 lb)
10 °C to 35 °C (50 °F to 95 °F)
-40 °C to 65 °C (-40 °F to 149 °F)
10% to 90% (noncondensing)
5% to 95% (noncondensing)
5 Hz to 350 Hz at 0.0002 G2/Hz