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System battery CR 2477N 3.0 V Lithium coin cell
Environmental
NOTE: For additional information about environmental measurements for specific system configurations, see
dell.com/environmental_datasheets.
Expanded operating temperature
NOTE: When operating in the expanded temperature range, system performance may be impacted.
NOTE: When operating in the expanded temperature range, ambient temperature warnings may be reported in
the System Event Log.
≤ 10% of annual operating hours 5 °C to 10 °C (41 °F to 50 °F), and 35 °C to 40 °C (95 °F to
104 °F) at 5% to 85% RH with 29 °C (84.2 °F) dew point.
NOTE: Outside the standard operating temperature
(10 °C to 35 °C), the system can operate down to 5
°C or up to 40 °C for a maximum of 10% of its annual
operating hours.
For temperatures between 35 °C and 40 °C, de-rate
maximum allowable dry bulb temperature by 1 °C per 175
m above 950 m (1 °F per 319 ft).
≤ 1% of annual operating hours –5 °C to 5 °C (23 °F to 41 °F), and 40 °C to 45 °C (104 °F to
113 °F) at 5% to 90% RH with 29 °C (84.2 °F) dew point.
NOTE: Outside the standard operating temperature
(10 °C to 35 °C), the system can operate down to –5
°C or up to 45 °C for a maximum of 1% of its annual
operating hours.
For temperatures between 40 °C and 45 °C, de-rate
maximum allowable dry bulb temperature by 1 °C per 125
m above 950 m (1 °F per 228 ft).
Expanded operating temperature restrictions Do not perform a cold startup below 5 °C.
Temperature
Maximum Temperature Gradient (Operating and
Storage)
20 °C/h (36 °F/h)
Storage Temperature Limits –40 °C to 65 °C (–40 °F to 149 °F)
Temperature (Continuous Operation)
Temperature Ranges (for altitude less than 950 m or
3117 ft)
10 °C to 40 °C (50 °F to 104 °F) with no direct sunlight on
the equipment.
Humidity Percentage Range 10% to 80% Relative Humidity with 29 °C (84.2 °F)
maximum dew point.
Relative Humidity
66