Lenovo ThinkPad SL300 2738 Supplementary Manual page 67

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