L23B3PK1 57Wh Genuine Replacement Battery for Lenovo IdeaPad Slim 5 Series Restore your Lenovo IdeaPad's performance with this high-quality 57Wh Li-ion replacement battery. Designed for multiple IdeaPad Slim 5 models across 14-inch, 15-inch, and 16-inch sizes, this battery delivers reliable power for studying, work, and everyday computing tasks.