LG C900 - Manual (Page 12)

The Basics
8
5 Close the battery cover
Align the cover hook to the latch as pictured
below. Close the cover in the direction of
the arrow.
Charging your phone
Open the charger port cover on the side of
your LG-Quantum. Insert the charger and plug
it into a power outlet.
When the battery is fully discharged,
you can not power on the phone. It takes
approximately 4-5 minutes to reach a charge
state sufficient for booting.
It takes 14-15 minutes more for charging by
USB connection.
If the battery is critically low, the phone
display will notify the user to charge the
phone.
n NOTE
The battery must be fully charged initially to
improve battery lifetime.