1. High quality and brand new, exactly AC power charger adapter for your laptop
2. Short-circuit protection, low energy consumption, power saving
3. Overload protection, over temperature protection
4. Suitable for: Samsung AD-4019W / AA-PA2N40L / BA44-00278A / NP900X1A / NP900X1A-A01US / NP900X1A-A01 / NP900X1B / NP900X1B-A01US