Item Specification: Condition: 100% New Replacement Battery. Not Original!!! Battery Voltage: 14.4V Battery Capacity: 2600mAhBattery Cell: 4-cell Battery Type: Li-ion Copatible Model: Lenovo IdeaPad Z400 Touch series Lenovo Ideapad Z400A series Lenovo Ideapad Z400A-IFI Lenovo Ideapad Z400A-ITH Lenovo IdeaPad Z410 series Lenovo IdeaPad Z500 Touch series Lenovo IdeaPad Z500A series Lenovo Ideapad Z500A-IFI Lenovo Ideapad Z500A-ISE Lenovo IdeaPad Z510 series Lenovo IdeaPad P400 Touch Lenovo IdeaPad P500 Touch Note: Our compatible list is not complete, if your laptop model is not in it please contact us Compatible Part Number: L12L4K01 L12S4E21 L12S4K01 L12M4E21 L12M4K01