Specification: Voltage: 7.4V Capacity: 30wh Cell: 4cell Warranty: one year Condition: brand new, original not fake, not used, full capacity Part Number: L14M2P23 L14M2P24 Fit for machine models: Fit for Lenovo U30 E31-70 U31-70 Series Noted: the lenovo logo was covered/hided by black label