Nokia 918 Owner's Manual page 53

Charging times are the same as those for ACH-6U.
The charging time is approximately 90 minutes for both
battery options. Calls can be made during the charging.
A green light indicates that the Rapid Cigarette Lighter
Charger is ready to charge. Check the charging status
on the phone display. The input voltage is 12 or 24 V
DC, negative grounding.
The Rapid Cigarette Lighter Charger can be used with
all accessories available for your phone.
Avoid prolonged charging with the Rapid Cigarette
Lighter Charger when the car engine is not running.
This may cause the battery of your car to drain.
Note: In some cars the cigarette lighter plug is not
provided with power when the ignition is switched off.
Verify that the green LED light is on.
LCM-1 Mobile Installation Charger
The multivoltage Mobile
Installation Charger powers your
phone from the car battery when
the ignition is switched on and
leaves the cigarette lighter
vacant.
You can use the Mobile Installation Charger in any
vehicle with a 12 or 24 V DC connection, negative
grounding.
The charging time is approximately 90 minutes for both
battery options.
The Mobile Installation Charger housing has a four pin
connector for the Power Cable PCM-5, and on the
opposite end a connector for the output cable, which
connects the Mobile Installation Charger directly to the
DC connector of your phone or to the Compact
Handsfree Unit.
The Mobile Installation Charger can be installed in the
most convenient location for you.
Installation must be made by qualified personnel only.
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