Lenovo ThinkPad Edge E420s (English) User Guide - Page 33

Specifications, Operating environment, Integrated Lithium-ion Li-Ion battery pack

Page 33 highlights

• Multi-Burner drive Wireless features • Integrated wireless LAN • Integrated Bluetooth (on some models) • Integrated wireless WAN (on some models) • Integrated WiMAX (on some models) Security features • Fingerprint reader (on some models) Specifications This section lists the physical specifications for your computer. Size • Width: 349 mm (13.74 inch) • Depth: 236 mm (9.29 inch) • Height: 21.7 to 27.8 mm (0.85 inch to 1.09 inch) Heat output • 65 W (222 Btu/hr) maximum 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 • Integrated Lithium-ion (Li-Ion) battery pack Battery life • For percentage of remaining battery power, see the Power Manager Battery Gauge in the task bar. • The Power Manager also displays a green, yellow and 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) Non-operating: 5.0°C to 43.0°C (41°F to 109°F) Chapter 1. Product Overview 15

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Multi-Burner drive
Wireless features
Integrated wireless LAN
Integrated
Bluetooth
(on some models)
Integrated wireless WAN (on some models)
Integrated WiMAX (on some models)
Security features
Fingerprint reader (on some models)
Specifications
This section lists the physical specifications for your computer.
Size
Width: 349 mm (13.74 inch)
Depth: 236 mm (9.29 inch)
Height:
21.7 to 27.8 mm (0.85 inch to 1.09 inch)
Heat output
65 W (222 Btu/hr) maximum
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
Integrated Lithium-ion (Li-Ion) battery pack
Battery life
For percentage of remaining battery power, see the
Power Manager Battery Gauge
in the task bar.
The Power Manager also displays a green, yellow and 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) Non-operating: 5.0°C to
43.0°C (41°F to 109°F)
Chapter 1
.
Product Overview
15