Docomo F-02B Instruction Manual page 25

Charging
Check the followings before and after charging.
Check that FOMA terminal is not wet. Never try to charge the battery
pack when FOMA terminal is wet.
Accessories and optional devices are not waterproof/dustproof.
When charging the battery when or after FOMA terminal is wet,
adequately drain it and wipe off water with a dry, clean cloth etc.,
before connecting a desktop holder or opening the external
connection jack cap.
When the external connection jack cap is opened for charging, close
the cap firmly after charging. It is recommended that the desktop
holder be used for charging to prevent water from seeping inside
from the external connection jack.
Do not use the AC adapter or desktop holder in a bathroom, shower
room, kitchen, lavatory or other highly humid area. May cause fire or
electric shock.
Do not touch the AC adapter or desktop holder with wet hands. May
cause electric shock.
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