BenQ Z2 - Manual (Page 21)

Preparing Your Phone For Use 5
2. Plug the charger into a power outlet.
3. Once the phone is fully charged, remove the charger from both the
power outlet and the phone.
• It takes approximately 4 hours to fully charge a battery.
• When charging while the phone is turned off, an animated battery
icon will be shown on the display. When charging while the
phone is turned on, the icon will be shown on the display.
The lines showing the battery power level will scroll until the
battery is fully charged.
• When the battery is weak, the phone will play an alert sound.
Do not remove the battery while the phone is charging.