Please check compatibility with your laptop carefully as laptop models do vary.Ensure you have the correct Tip Size, Output Voltage and Amp Rating from your previous charger.The AC power adapter enables you to operate your laptop or charge the battery from electrical power outlets.If you are running your computer on AC power with a battery installed, the adapter charges the battery ( if needed ) and maintains its charge.Tip Size: 7.4m X 5.0m Output: 19.5V 3.34AUK Three-Pin Plug Power CordCompatibility:Dell Latitude 100L, 131L, D400, D410, D420, D430, D500, D505, D510, D520, D531, D600, D610, D620, D620 ATG, D630, D630 ATG, D631, D800, D810, D820, D830, X1, X300, CTO 13, 2110, E4200, E4300, E4310, E6400, E6410, E5400, E5410, E5500, E5510, XT, XT2, E6500, E6500 ATG, E6510, Inspiron E1405, E1505, 1318, 1320, 1370, 1410, 1420, 1425, 1427, 1428, 1440, 1464, 1470, 1501, 1520, 1521, 1525, 1526, 1545, 1546, 1564, 1570, 300m, 500m, 510m, 600m, 630m, 6000, 6400, 640m, 700m, 710m, 8500, 8600, 8600c, CTO 1110, E1705, 1150, 1720, 1721, 1750, 1764, 8500, 9200, 9300, 9400, N3010, N4010, N4020, N4030, N5010, M5010, N5030, N7010, Precision M2300, M2400, M4300, M4400, M20, M60, M65, M70, XPS M1210, M1330, M140, M1530, Vostro 1000, 1014, 1015, 1088, 1200, 1220, 1400, 1500, 1700, 1710, 1720, V13, A840, A860, 1510, 1520, 1310, 1320, 1520, 3300, 3400, 3500, 3700, 2510, Studio 1435, 1440, 1450, 1457, 1458, 15, 1535, 1536, 1537, 1555, 1557, 1558, 1569, XPS 13, XPS 1640, XPS 16 (1645), XPS 16 (1647), 1735, 1737, 1745, 1747, 1749Please check compatibility with your laptop carefully as laptop models do vary.