AC Doctor INC 19V 4.74A 90W AC Adapter Charger Power Cord for Samsung Laptop RV515-A01 RV520-W01 Power Supply 5.5x3.0mm Generic new 90W 19V 4.74A Samsung laptop ac adapter Q10 Q20 Q25 Q30 plus Q30 Q35 Sens 630 series charger power supply Connector plug Tip Diameter: 5.5x3.0mm . 90W 19V 4.74A AC 100-240V-2A, 50/60Hz . 2-prong Power Cord included. NOTE: If the output Voltage Ampere DC jack size and connector Dia. is the same as your ac adapter it can fit your computer. Please double ensure. If not it will not compatible.