Asus MeMO Pad HD 7 - Manual (Page 18)

MeMO Pad E-Manual 1
Setting up your MeMO Pad
Charging your MeMO Pad
Charge your MeMO Pad for eight (8) hours before using it in battery
mode for the first time.
Connect the micro USB cable to the power adapter.
Plug the micro USB connector into your MeMO Pad.
Plug the power adapter into a grounded power outlet.
To charge your MeMO Pad: