65W 19.5V 3.34A AC adapter with 7.4mm x 5.0mm big round tip with center pin. Please check your laptop connector size before purchase. Not USB-C, not 4.5mm small round tip. Compatible with Dell Latitude 5400 5410 5480 5490 5500 5510 5580 5590 7280 7290 7380 7390 7400 7480 7490 E5470 E5570 E7470. Also compatible with Dell Latitude E5440 E5450 E5540 E5550 E6400 E6410 E6420 E6430 E6440 E6530 E6540 E7240 E7250 E7440 E7450. Replacement for Dell part numbers LA65NM130 HA65NM130 DA65NM130 HK65NM130 LA65NS2-01 HA65NS5-00 DA65NM111-00 PA-12 06TFFF 09RN2C 6TM1C 4H6NV 0NVV12 0JNKWD. Built-in smart chip helps protect against over-voltage, over-current, short-circuit and over-heating. Package includes 1 AC adapter and 1 AC power cord for home, office, school and travel use. Professional 65W AC Adapter Compatible with Dell Laptops (7.4mm Tip) Is this the right charger for your laptop? Please check the charging port of your laptop. This charger has a 7.4mm Large Connector with a Pin inside. If your laptop uses a small 4.5mm port or a USB-C port, this will NOT fit. Compatible Laptop Models: Compatible with Dell Latitude Series: E7450, E7440, E7240, E7250, E6440, E6540, E5440, E5540, E6430, E6430s, E6530, E6420, E6520, E5450, E5550, E5430, E5530, E6410, E6510, E6400, E6500, E4310, E4300, E4200, 3330, XT3, E5420, E5520. Compatible with Dell Inspiron Series: 15R (N5110), 14R (N4110), 17R (N7110), 15 (1545, 1525, 1564), 14 (1420, 1464, 14z), 17 (1750, 1764). Compatible with Dell Vostro Series: 3400, 3450, 3460, 3500, 3550, 3560, 3700, 3750, V131. Compatible with Dell Studio Series: Studio 15, Studio 1555, Studio 17. Key Technical Specs: Output: 19.5V 3.34A 65W (90W Compatible) Connector: 7.4mm * 5.0mm (Big Barrel with Center Pin)