Lenovo 444638U User Guide - Page 138
Power source, AC adapter, Battery, Capacity: 57 Wh or 53 Wh
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Appendix C. Specifications Power source Input rating of the AC adapter: 100-240 V ac, 50 to 60 Hz (AC adapter) 65 W (with integrated graphics card)/90 W (with discrete graphics card) Note: For models with discrete graphics card, the supplied 90W AC adapter with the unit is recommended. Otherwise, it will cause AC adapter overheat or machine malfunction. Battery pack Lithium-ion (Li-Ion) battery pack - Nominal voltage: 11.1 V dc - Capacity: 57 Wh or 53 Wh 130
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130
Appendix C. Specifications
Power source
(AC adapter)
Input rating of the AC adapter: 100-240 V ac, 50 to 60 Hz
65 W (with integrated graphics card)/90 W (with
discrete graphics card)
Note:
For models with discrete graphics card, the supplied
90W AC adapter with the unit is recommended.
Otherwise, it will cause AC adapter overheat or
machine malfunction.
Battery
pack
Lithium-ion (Li-Ion) battery pack
–
Nominal voltage: 11.1 V dc
–
Capacity: 57 Wh or 53 Wh
²