Acer E350 - Manual (Page 7)

7
Charging the battery
For initial use, you need to charge your smartphone for eight hours. After that you
can recharge the battery as needed.
Connect the AC adapter cord to the micro USB connector on your smartphone.
Removing the battery
Open the battery compartment as shown in "Installing the battery" on page 6. Lift
the battery out of the compartment by lifting at the top of the battery on either side
of the camera.
Replace the battery cover as described above.