air voltage

Hitachi Maxell Introduces Air Voltage Wireless Charger For iPad 2

Hitachi Maxell has adopted power transmission module called field coupling system that manufactured by Murata Manufacturing. This module provides power transmission of 10W through a use of the power-sending and power-receiving set with an efficiency of 70 percent. Hitachi Maxell has used it as a wireless recharging set called Air Voltage wireless charger for iPad 2.