The AA-PBUN2LT Laptop Battery is a high-quality replacement battery designed for Samsung ATIV Book 9 laptops. It has a capacity of 30Wh and a voltage of 7.6V, providing reliable performance. The battery is made of Li-Ion cells and comes with a 1-year warranty. It is CE certified and compatible with models NP900X3L-K01CN, U01HK, NT900K3A-K34D, 900X3M, NT900X3P-KD3S, and AA-PBUN2QT.