laptop adapter 19V DC, 3.16A  for hp Presario 1000 series laptop
Specifications:
AC Input: 110 ~ 250V   50~60Hz
DC Output: 19V DC  3.16A  60Watts
AC POWER CORD IS INCLUDED   
Power dimensions:
Internal Diameter: 2.5 mm
External diameter: 5.5 mm
Compatible With HP / Compaq Laptop:
Compaq Evo N105/N115/N160/N180
Compaq Presario 700 Series:
Compaq Presario 800 Series:
800 / 800XL / 80XL550

Compaq Presario 1000 Series:
1000 / 1010 / 1020 / 1030 / 1040 / 1050 / 1060 / 1065 / 1070 / 1072 / 1075 / 1080 / 1081 / 1082 / 1084 / 1090 / 1090ES

Compaq Presario 1600-XL Series
1600 / 1600-XL1 / 1600-XL140 / 1600-XL141 / 1600-XL142 / 1600-XL143 / 1600-XL144 / 1600-XL145 / 1600-XL146 / 1600-XL147 / 1600-XL150 / 1600-XL151 / 1600-XL152 / 1600-XL153 / 1600-XL154 / 1600-L155 

Compaq Presario 1600 Series:
1600-233S / 1600-266 / 1600-300 / 1600i / 1600i-266 1600i-300 / 1600i-333 / 1600i-366 / 1600s / 1600s-350 / 1600s-380 / 1600s-400 / 1600s-450 1600s-475 /
Compaq Presario 1700 Series

We also have other models:
HP/COMPAQ 18.5V 3.5A 65W
HP/COMPAQ 18.5V,4.9A 90W
HP/COMPAQ 18.5V 6.5A 120W
HP/COMPAQ 19V 4.74A 90W
HP/COMPAQ 19V 7.1A 135W
HP/COMPAQ 19V 9.5A 180W