Asus TF103CG E-Manual page 22

To charge your ASUS Tablet:
1. Connect the micro USB cable to the AC power adapter.
2. Plug the AC power adapter to a grounded power outlet.
3. Connect the micro USB cable to your ASUS Tablet.
IMPORTANT!
• Charge your ASUS Tablet 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
22
Charging Full