Dell Laptop Charger 19.5Vx7.4mm x 5.0mm-65W

A 19.5V 3.34A charger with a 7.4mm x 5.0mm round pin provides 65 Watts of power (19.5V∗3.34A=65W).
This was a very common charger connector for many older Dell laptops. The pin is easily recognizable
by its larger diameter and the central pin that it contains. Here is a list of Dell laptop series that are compatible with this type of charger.
Dell Inspiron Series: 1420, 1440, 1464, 1501, 1520, 1521, 1525, 1526, 1545, 1564 ,
1720, 1721, E1405, E1505, 6000, 6400, 8500, 8600, 9200, 9300, 9400.
Dell Latitude Series: 131L, E4200, E4300, E4310, E5400, E5410, E5420, E5430, E5500,
E5510, E5520, E5530, E6220, E6320, E6400, E6410, E6420, E6430, E6500, E6510, E6520, E6530,
E7240 , D400, D410, D420, D430, D500, D505, D510, D520, D530, D531, D600, D610, D620, D630, D800, D810, D820, D830, X300
Dell XPS and Vostro Series: XPS M1210, M1330, M1530.
Dell Vostro: 1000, 1014, 1015, 1200, 1220, 1310, 1320, 1400, 1500, 1510, 1520, 1700, 1710, 1720.
Dell Studio: 1535, 1537, 1735, 1737.