Asus Zenfone 4 User Manual page 12

IMPORTANT!
• When using your ASUS Phone while it is plugged to a power outlet, the grounded power outlet
must be near to the unit and easily accessible.
• When charging your ASUS Phone through your computer, ensure that you plug the USB Type-C
cable to your computer's USB 2.0 / USB 3.0 port.
• Avoid charging your ASUS Phone in an environment with ambient temperature of above 35
(95 F).
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• Charge your ASUS Phone for eight (8) hours before using it in battery mode for the first time.
• The status of battery charge is indicated by the following icons:
Low Not Charging Charging
NOTES:
• For safety purposes, use ONLY the bundled power adapter and cable to avoid damaging your
device and prevent the risk of injury.
• For safety purposes, use ONLY the bundled power adapter and cable to charge your ASUS Phone.
• The input voltage range between the wall outlet and this adapter is AC 100V - 240V. The output
voltage of the device is +9V 2A, 18W.
4. When fully-charged, disconnect the USB cable from your ASUS Phone first before unplugging
the AC power adapter from the power outlet.
NOTES:
• You can use your device while charging but it may take longer to fully charge the device.
• Charging your device via USB port of a computer may take longer to fully charge the device.
• If your computer does not provide enough power for charging via USB port, charge your ASUS
Phone using the AC power adapter plugged to a power outlet instead.
12 Chapter 1: Basics
Full
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