Lenovo ThinkPad Z61e Troubleshooting Manual page 63

v Temperature
– At altitudes up to 2438 m (8000 ft)
- Operating with no optical disc in the drive: 5° to 35°C (41° to 95°F)
- Operating with an optical disc in the drive: 10° to 35°C (50° to 95°F)
- Non-operating: 5° to 43°C (41° to 110°F)
– At altitudes above 2438 m (8000 ft)
- Maximum operating temperature, 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 with no optical disc in the drive: 8% to 90%
– Operating with an optical disc in the drive: 8% to 80%
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, 14.4 V dc or 10.8 V dc /14.4 V dc
(depending on the model)
– Capacity: 2.6 Ah, 5.2 Ah or 7.8 Ah (depending on the model)
Battery life
v For detailed information on battery life, see the Power Manager Gauge in
the task tray.
Appendix C. Features and Specifications
Specifications
55