Lenovo Y50C / V4000 / Z51 Battery (L14L4E01 OEM Replacement)

This battery is designed for Lenovo IdeaPad Y50C, V4000, and Z51 series laptops. It is a 4-cell lithium-ion internal battery commonly used in multimedia and performance laptops, providing stable power for everyday tasks such as browsing, office work, and media playback. The most common part number is L14L4E01, also compatible with L14S4A01 and L14M4E01 depending on production variant and regional configuration.