Lenovo IdeaPad Y550 User Manual

Page 111

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Appendix C. Specifications

103

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
90 W AC adapter with the unit is recommended.
Otherwise, it will cause AC adapter overheating or
machine malfunction.

Battery
pack

Lithium-ion (Li-Ion) battery pack
– Nominal voltage: 11.1 V dc
– Capacity: 56-57 Wh

Y550 UG V1.0_en.book Page 103 Wednesday, December 10, 2008 4:51 PM