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Appendix C. Specifications
Power source
(AC adapter)
Input rating of the AC adapter: 100-240 V ac, 50 to 60 Hz
90 W (with integrated graphics card)/135 W (with
discrete graphics card)
Note:
For models with discrete graphics card, the supplied
135W 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
Lenovo IdeaPad Y730 UG V1.0_en.book Page 121 Friday, June 27, 2008 6:06 PM