Lenovo ThinkPad Edge E425 (English) User Guide - Page 36

Specifications, Operating environment, Operating: 5.0°C to 35.0°C 41°F to 95°F

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Specifications This section lists the physical specifications for your computer. Size • For ThinkPad Edge E425 models: - Width: 343.4 mm (13.52 inches) - Depth: 235 mm (9.25 inches) - Height: 28.7 to 36.4 mm (1.13 to 1.43 inches) • For ThinkPad Edge E525 models: - Width: 380.3 mm (14.97 inches) - Depth: 248.75 mm (9.79 inches) - Height: 30.6 to 38.3 mm (1.20 to 1.50 inches) Heat output • 65 W (222 Btu/hr) maximum or 90 W (307 Btu/hr) maximum (depending on the model) Power source (ac power adapter) • Sine-wave input at 50 to 60 Hz • Input rating of the ac power adapter: 100 to 240 V ac, 50 to 60 Hz Battery pack • Lithium-ion (Li-Ion) battery pack Battery life • For percentage of the remaining battery power, see the Power Manager battery gauge on the task bar. • The Power Manager program also displays a green, yellow, or red indication. A battery under warranty with a red indication is eligible for a warranty replacement. Operating environment This section provides information about your computer operating environment. Environment: • Maximum altitude without pressurization: 3048 m (10,000 ft) • Temperature - At altitudes up to 2438 m (8000 ft) - Operating: 5.0°C to 35.0°C (41°F to 95°F) - Storage: 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). • Relative humidity: 18 User Guide

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Specifications
This section lists the physical specifications for your computer.
Size
•
For ThinkPad Edge E425 models:
–
Width: 343.4 mm (13.52 inches)
–
Depth: 235 mm (9.25 inches)
–
Height: 28.7 to 36.4 mm (1.13 to 1.43 inches)
•
For ThinkPad Edge E525 models:
–
Width: 380.3 mm (14.97 inches)
–
Depth: 248.75 mm (9.79 inches)
–
Height: 30.6 to 38.3 mm (1.20 to 1.50 inches)
Heat output
•
65 W (222 Btu/hr) maximum or 90 W (307 Btu/hr) maximum (depending on the model)
Power source (ac power adapter)
•
Sine-wave input at 50 to 60 Hz
•
Input rating of the ac power adapter: 100 to 240 V ac, 50 to 60 Hz
Battery pack
•
Lithium-ion (Li-Ion) battery pack
Battery life
•
For percentage of the remaining battery power, see the Power Manager battery gauge on the task bar.
•
The Power Manager program also displays a green, yellow, or red indication. A battery under warranty
with a red indication is eligible for a warranty replacement.
Operating environment
This section provides information about your computer operating environment.
Environment:
•
Maximum altitude without pressurization: 3048 m (10,000 ft)
•
Temperature
–
At altitudes up to 2438 m (8000 ft)
–
Operating: 5.0°C to 35.0°C (41°F to 95°F)
–
Storage: 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).
•
Relative humidity:
18
User Guide