Intocircuit 90W AC Power Adapter/Battery Charger for Samsung NP-QX410-S01PHSLV NP-QX410-S01RU NP-QX410-S01UA NP-QX410-S02CN NP-R50CV02/SAU NP-QX410-S01CL NP-QX410-S01HK NP-QX410-S01PHSLV NP-QX410-S01RU NP-QX410-S01UA NP-QX411 NP-QX411-W01 NP-QX411-W01US NP-QX411-W01UB Power: 90W; Power Input: AC100-240V; Output: 19V 4.74A 90W(60W compatiable); 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