Lenovo R50 Specifications, Size 14-inchmodel, Environment, Heat output, Power source ac adapter

Specifications

Specifications

Size

14-inch model

vWidth: 314 mm (12.4 in.)

vDepth: 260 mm (10.2 in.)

vHeight: front 34 mm (1.35 in.), rear 37 mm (1.46 in.)

15-inch model

vWidth: 332 mm (13.1 in.)

vDepth: 269 mm (10.6 in.)

vHeight: front 37 mm (1.46 in.), rear 40 mm (1.58 in.)

Environment

vMaximum altitude without pressurization: 3048 m (10,000 ft)

vTemperature

–At altitudes up to 2438 m (8000 ft)

-Operating with no diskette: 5° to 35°C (41° to 95°F)

-Operating with a diskette: 10° to 35°C (50° to 95°F)

-Not 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).

vRelative humidity:

–Operating with no diskette in the drive: 8% to 90%

–Operating with a diskette in the drive: 8% to 80%

Heat output

v72 W (246 Btu/hr) maximum

Power source (ac adapter)

vSine-wave input at 50 to 60 Hz

vInput rating of the ac adapter: 100-240 V ac, 50 to 60 Hz

Battery pack

vLithium-ion (Li-Ion) battery pack

–Nominal voltage: 10.8 V dc

–Capacity: 4.4 AH

Chapter 1. Overview of your new ThinkPad computer 5