Acer E200 - Manual (Page 13)

13 Installing or removing the battery
Place the battery into the
battery compartment,
lining up the battery
connectors with those at
the top of the
compartment.
Insert the tabs on the inside
of the battery cover into
the slots in your
smartphone. Carefully slide the cover up until it clicks into
place.
CAUTION: RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN
INCORRECT TYPE.
DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS.
Charging the battery
For initial use, you need to charge your smartphone for eight
hours. After that you can charge it each day to recharge the
battery to full capacity.
Connect the AC adapter cord to the mini USB connector on
your smartphone.
Removing the battery
Open the battery
compartment as shown