Dell Classic Charger (older type Dell Laptops)

Dell PA10 19.5V 4.62A 7.4/5.0 Tip 90W New Third Party AC Adapter - Figure 8 Fitting - 

Input voltage: 100-240 V
Output voltage: 19.5 V , 4.62 A (90 W)
Plug: 1-pin plug.
External diameter 7.4 mm, internal diameter 5.0 mm, length 12 mm
Compatible laptop models:
Dell Inspiron Series:
1150, 1410, 1501, 1720, 1721, 300m, 500m, 510m, 600m, 630m, 640m, 700m, 710m, 6000, 6400, 8500, 8600, 9200, 9300, 9400, E1405, E1505, E1705
Dell Latitude Series:
100L, D400, D410, D500, D510, D505, D520, D600, D610, D620, D630, D800, D810, D820, D830, X300, E5500, E6400, E6500
Dell Precision Series:
M20, M60, M65, M70, M4300
Dell Vostro Series:1700