Specifications - Lenovo ThinkPad T400s Service And Troubleshooting Manual

Specifications

Size
v Width: 337.0 mm (13.3 inch)
v Depth: 241.5 mm (9.5 inch)
v Height: 21.1 to 25.9 mm (0.83 inch to 1.02 inch)
Environment
v Maximum altitude without pressurization: 3048 m (10,000 ft)
v Temperature
– At altitudes up to 2438 m (8000 ft)
– At altitudes above 2438 m (8000 ft)
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 to 240 V AC, 50 to 60 Hz
Battery pack
v Lithium-ion (Li-Ion) battery pack
– Nominal voltage: 10.8 V DC
– Capacity: 4.0 AH
Battery life
v For percentage of remaining battery power, see the Power Manager Gauge
on the task bar.
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ThinkPad T400s Service and Troubleshooting Guide
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)
Maximum temperature when operating under the unpressurized
condition: 31.3°C (88°F)