Lenovo IdeaPad Y430 - Manual (Page 124)

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Appendix C. Specifications
Power source
(AC adapter) ƒ Input rating of the AC adapter: 90-264 V ac, 47 to 63 Hz
ƒ 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 ƒ Lithium-ion (Li-Ion) battery pack
– Nominal voltage: 11.1 V dc
– Capacity: 57 Wh