Intocircuit 60W AC Adapter Battery Charger for Samsung Notebook NP300E5A NP300E5AI NP300E5A-A01UB NP300E5A-A02UB NP300E5A-A01US NP300E5A-A03US NP300E5A-A04US NP300E5A-A05US NP520U4C NP520U4C-A01UB NP530U4C NP530U4C-A01US NP535U4C NP535U4C-A01US Power: 60W; Power Input: AC100-240V; Output: 19V 3.16A; Connector Tip: 5.5mm * 3.0mm. Please ensure the DC output and connector size matches your original adapter before purchasing Protection: multiple-lever overload, over-voltage, and short circuit protection; Efficiency: high energy conversion rate to save energy and be environment friendly;Quality:minimum voltage ripple ensures steady power output -better feeds your laptop Box includes: 1* Intocircuit power adapter and 1* power cord Warranty: 30 Days Money Back Guarantee / 1 Year - Free Exchange(Phone service is available during Mon-Fri 9AM - 6PM EST) Please contact our customer service if you're not sure about the compatibility