Intocircuit174; 60W AC Adapter Charger for Samsung Series 2 (Np200b4a Np200a5b) ; Series 3 Np300e4c Np300e5a Np300e5ai Np300e5c Np300v5a Np305e5a Np305e5ai Np305e7a Np305e7ai Np305v5a Np350u2b Np350v5c Np355v5c ; Series 4 (Np400b4b) ; Series 5 Ultrabook Np500p4c Np510r5e Np520u4c Np530u4c Np535u4c ; Series 6 (Np600b4bi) Power: 60W; Power Input: AC100-240V; Output: 19V 3.15A; Connector Tip: 5.5mm * 3.0mm. Please ensure the DC output and connector size matches your original adapter before purchasing USB port: An extra built-in USB port(5V/2A) allows dual charge; 2A output can be used for charging iPad/Tablet and iPhone/Smart phones 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 Package includes: 1* Intocircuit power adapter, 1* power cable, 1* Intocircuit carry pouch Warranty: 30 Days Money Back Guarantee / 2 Years - Free Exchange(Phone service is available during Mon-Fri 9AM - 6PM EST)