HP Officejet H470wf Mobile Printer - Manual (Page 19)

Charge and use the battery
WARNING! Charge the battery for 4 hours before using the battery for the first
time. Because the battery is normally warm while it is charging, do not charge it in
a briefcase or other confined space as this might cause the battery to overheat.
NOTE: The AC adapter is normally warm to the touch when plugged into an AC
outlet.
NOTE: Wireless printing uses more battery power than wired printing. For
information on checking the battery charge level, see
Install and use the battery .
To install the battery
NOTE: You can install the battery with the device turned on or off.
1. Slide the battery into the battery slot at an angle, until the contacts on the battery
are flush with the contacts in the battery slot. The battery contact cover slides open.
2. Push the battery into the battery slot until the battery clicks into place.
3. Plug in the AC adapter and turn on the device. Allow the battery to charge for four
hours before using the battery for the first time. Subsequently, the battery charge
light is green when the battery is charging, and turns off when the battery is fully
charged.
4. After the battery is fully charged, you can use the device without connecting to the
AC power supply.
Install and use the battery 15