Lenovo G530 4446 User Manual page 138

Appendix C. Specifications
Power source
(AC adapter)
Battery
pack
130
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.
Lithium-ion (Li-Ion) battery pack
– Nominal voltage: 11.1 V dc
– Capacity: 57 Wh or 53 Wh