This notebook battery is a high-quality, original quality product specifically designed for the Samsung NP900X4 Series laptops. With a capacity of 8400mAh and a voltage of 7.4V, this battery ensures long life and reliable performance for your device. This battery is perfect for users looking for a reliable and durable solution for their Samsung laptop. Whether you are on the road for business or just want to work from home, this battery ensures that you always have enough power to carry out your tasks. What makes this battery even more attractive is that it is a refurbished product. This means that it has been used before, but has been fully checked, tested and repaired if necessary to ensure that it is in perfect condition again. By choosing a refurbished battery, you can not only save money, but also contribute to a more sustainable lifestyle by supporting the reuse of products. By choosing a refurbished battery, you can be assured that you will receive a quality product that meets Samsung's high standards. In addition, the original quality ensures that you get the same performance and reliability as with a new battery, but at a lower price. In short, this notebook battery for Samsung NP900X4 Series is a great choice for anyone looking for a reliable and durable solution for their laptop. With its original quality, long lifespan and refurbished status, it is the ideal choice for anyone who values quality and durability.