Lenovo SL400 Service Guide - Page 67

Environment, Heat output, Power source AC adapter, Battery pack, Battery life

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Environment v Maximum altitude without pressurization: 3048 m (10,000 ft) v Temperature - At altitudes up to 2438 m (8000 ft) Operating: 5.0°C to 35.0°C (41°F to 95°F) Non-operating: 5.0°C to 43.0°C (41°F to 109°F) - At altitudes above 2438 m (8000 ft) Maximum temperature when operating under the unpressurized condition: 31.3°C (88°F) Note: When you charge the battery pack, its temperature must be at least 10°C (50°F). v Relative humidity: - Operating: 8% to 80% - Non-operating: 5% to 95% Heat output v 65 W (222 Btu/hr) maximum or 90 W (307 Btu/hr) maximum (depending on the model) Power source (AC adapter) v Sine-wave input at 50 to 60 Hz v Input rating of the AC adapter: 100-240 V AC, 50 to 60 Hz Battery pack v Lithium-ion (Li-Ion) battery pack - Nominal voltage: 10.8 V DC - Capacity: 4.8 AH Note: On your computer the modem connector adjoins the battery slot. If a ThinkPad 9-Cell Li-Ion Battery is installed, to use the modem connector you need to replace the battery with a ThinkPad 4-Cell Li-Ion Battery or ThinkPad 6-Cell Li-Ion Battery. Battery life v For percentage of remaining battery power, see the Power Manager Gauge on the task bar. Appendix C. Features and Specifications 59

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Environment
v
Maximum altitude without pressurization: 3048 m (10,000 ft)
v
Temperature
–
At altitudes up to 2438 m (8000 ft)
Operating: 5.0°C to 35.0°C (41°F to 95°F)
Non-operating: 5.0°C to 43.0°C (41°F to 109°F)
–
At altitudes above 2438 m (8000 ft)
Maximum temperature when operating under the unpressurized
condition: 31.3°C (88°F)
Note:
When you charge the battery pack, its temperature must be at least
10°C (50°F).
v
Relative humidity:
–
Operating: 8% to 80%
–
Non-operating: 5% to 95%
Heat output
v
65 W (222 Btu/hr) maximum or 90 W (307 Btu/hr) maximum (depending
on the model)
Power source (AC adapter)
v
Sine-wave input at 50 to 60 Hz
v
Input rating of the AC adapter: 100-240 V AC, 50 to 60 Hz
Battery pack
v
Lithium-ion (Li-Ion) battery pack
–
Nominal voltage: 10.8 V DC
–
Capacity: 4.8 AH
Note:
On your computer the modem connector adjoins the battery slot. If a
ThinkPad 9-Cell Li-Ion Battery is installed, to use the modem connector you
need to replace the battery with a ThinkPad 4-Cell Li-Ion Battery or ThinkPad
6-Cell Li-Ion Battery.
Battery life
v
For percentage of remaining battery power, see the Power Manager Gauge
on the task bar.
Appendix C. Features and Specifications
59