Intocircuit&reg; 65w Ultra-slim Ac Adapter Battery Charger for HP Compaq Presario CQ57-300TU CQ57-310US CQ57-319WM CQ57-339WM CQ57-408TU CQ57-410US CQ57-439WM CQ57-489wm Stylish:ultra-slim style and the blue LED indicator make the Intocircuit adapter stands out like a mp3 player ; Power: 65W; Power Input: AC100-240V; Output: 18.5V 3.5A;Connector Tip: 7.4mm * 5.0mm with smart-pin. 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; Compatible : ED494AA#ABA,391172-001,384019-003,PA-1650-02HC,384019-001,384021-001,391173-001,384020-001,384020-003,409992-001,ED495AA, PPP014L-SA,384019-002,384020-002,PPP009L,ED494AA,PPP009H,384019-003 Package includes: 1 pcs Intocircuit&#174; AC adapter, 1 pcs 3 prong AC power cord, 1 pcs Intocircuit&#153; carry pouch;