Lenovo V4400u Notebook - Manual (Page 24)

Specifications
This topic lists the physical specifications for your computer.
Heat output
• 45 W (154 Btu/hr) maximum or 65 W (222 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
10 User Guide