This Notebook battery is an essential accessory for Lenovo Thinkpad S3-S431 and S440 users who are looking for a reliable and durable solution for their portable computer. With a capacity of 46Wh and a voltage of 14.8V, this battery provides enough power to support your laptop during intensive use, while on the road or in locations without electrical outlets. This battery is of the highest quality and has been fully refurbished to meet Lenovo's strict standards. By using high-quality materials and advanced technology, this refurbished battery guarantees optimal performance and a long lifespan. You can rest assured that your laptop is always ready to use, without having to worry about unexpected power outages. Thanks to the innovative technologies applied in refurbishing this battery, it is not only reliable, but also environmentally friendly. By reusing existing materials and components, environmental impact is minimized while performance is maximized. In this way you contribute to a more sustainable world, while benefiting from a quality product. This refurbished notebook battery for Lenovo Thinkpad S3-S431 and S440 is a cost-effective solution for users looking for an affordable, yet reliable replacement for their old battery. With an attractive price and the same quality as a new product, this battery offers excellent value for money. In short, if you are looking for a high-quality and environmentally friendly battery for your Lenovo Thinkpad laptop, this refurbished Notebook battery is the ideal choice. With its reliable performance, long service life and attractive price, you are sure to be satisfied with your purchase.