Lenovo B580 Laptop Lenovo B480 and B580 User Guide - Page 23
Input rating of the ac power adapter: 100 to 240 V ac, 50 to 60 Hz, Battery pack
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• Depth: 252 mm • Height: 33.1 mm Heat output • 65 W (222 Btu/hr) or 90 W (307 Btu/hr) maximum heat output (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 • Li-Ion battery pack Chapter 1. Getting to know your computer 9
•
Depth: 252 mm
•
Height: 33.1 mm
Heat output
•
65 W (222 Btu/hr) or 90 W (307 Btu/hr) maximum heat output (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
•
Li-Ion battery pack
Chapter 1
.
Getting to know your computer
9