The New AA-PBTN6QB Laptop Battery is a high-quality replacement battery for Samsung laptops. It is compatible with various Samsung models, including NT900X5N, NP900X5N, and more. With a voltage of 11.5V and a capacity of 66Wh, this Li-Ion battery provides long-lasting power. It is made in China with high-quality cells and is CE certified for safety. The battery comes with 3 cells and is designed to meet or exceed the specifications of the original battery.