Lenovo ThinkPad 770 ThinkPad 770E/ED Supplement to the Users Guide - Page 47

Specifications, Environment, Heat output, Electrical AC Adapter, Lithium-ion battery pack

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Specifications Size Width: 313 mm ( in.) Depth: 254 mm ( in.) Height: 55.5 mm ( in.) Environment Note: When you charge the battery pack, its temperature must be at least 10°C (50°F). Temperature (at altitudes less than 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) - Nonoperating: 5° to 43°C (41° to 109°F) - Storage and shipment: −20° to 60°C (−4° to 140°F) - Wet bulb (maximum): 25.7°C (78°F) - Relative humidity: - Operating with no diskette in the drive: 8% to 95% - Operating with a diskette in the drive: 8% to 80% - Maximum altitude: 3048 m (10,000 ft) in unpressurized conditions - Maximum temperature at 3048 m (10,000 ft): 31.3°C (88° F) Heat output - 56 W (191 BTUs/hr) maximum Electrical (AC Adapter) Sine-wave input, at 50 to 60 Hz The input rating of the AC Adapter: 100-240 V ac, 50/60 Hz Lithium-ion battery pack Nominal voltage: 10.8 V dc Capacity: 4.8 AH Appendix A. Features and Specifications 41

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Specifications
Size
Width: 313 mm ( in.)
Depth: 254 mm ( in.)
Height: 55.5 mm
( in.)
Environment
Note:
When you charge the battery pack,
its temperature must be at least 10°C
(50°F).
Temperature (at altitudes less than 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)
–
Nonoperating:
5° to 43°C (41° to 109°F)
–
Storage and shipment:
-
20° to 60°C (
-
4° to 140°F)
–
Wet bulb (maximum):
25.7°C (78°F)
– Relative humidity:
-
Operating with no diskette in the drive:
8% to 95%
-
Operating with a diskette in the drive:
8% to 80%
–
Maximum altitude:
3048 m (10,000 ft) in unpressurized
conditions
–
Maximum temperature at 3048 m (10,000 ft):
31.3°C
(88° F)
Heat output
–
56 W (191 BTUs/hr) maximum
Electrical (AC Adapter)
Sine-wave input, at 50 to 60 Hz
The input rating of the AC Adapter: 100–240 V ac, 50/60 Hz
Lithium-ion battery pack
Nominal voltage:
10.8 V dc
Capacity: 4.8 AH
Appendix A.
Features and Specifications
41