Compaq Armada 1700 Reference Manual page 15

Before you set up the computer for the first time, ensure that
The computer is using AC power.
The computer is not docked in a docking station.
!
The battery pack begins to charge when the computer is connected
to external power.
Although a new battery pack can be used to power the computer
after receiving a partial charge, Compaq recommends that a new
battery pack be allowed to fully charge before the computer is
disconnected from external power or before the battery pack is
removed from the computer.
A new battery pack fully charges in approximately:
2 hours when the computer is connected to external power and
is not being used.
5 hours when the computer is connected to external power and
is being used.