HP Deskjet 450 Mobile Printer series - Manual (Page 14)

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Understanding the battery
1 Battery – Supplies power to the printer.
2 Battery release slider – Slides to release the battery.
Installing the battery
1 Slide the battery into the battery slot at an angle as shown in the following
illustration, until the battery is flushed with the contacts. This also slides the
battery contact cover open.
2 Push the battery into the battery slot until the battery clicks into place.
Charging and using the battery
Fully recharge the battery before using. The battery is normally warm while it is
charging. Do not charge it in a briefcase or other confined space as this may
cause the battery to overheat.
1 Install the battery.
2 Plug in the AC adapter and turn on the printer. The Battery charge LED is
green while charging, and turns off when the battery is fully charged.
After the battery is fully charged, you can use the printer without connecting to
the AC power supply.
1
2
You can install the battery with the printer turned on or off.
The AC adapter is normally warm to the touch when plugged into an AC outlet.