Lenovo Battery 3Cell 57Wh Internal

The Lenovo 5B10T04979 is a replacement lithium-ion battery for supported Lenovo laptops, providing power when you work away from an outlet or need to replace the existing battery.

Its three-cell design is rated at 11.52 V and stores 57 Wh of energy, identifying this specific battery configuration.

The listing associates it with the Lenovo 14E Chromebook (81MH) and S345-14AST (81WX). It is intended as an internal power source in those listed laptop models.