whenever you are, no need alternating current, you could charge your mobile phone in time, and could talk with others when charging.
High efficiency, Save Resource
Charging 100-180mins, the charger could transfer the resource from the single AA to mobile phone battery. And could get the phone keep waiting 24 hours or talking 100-180mins.
Modern, portable, small size style and more convenience.
One AA alkaline battery or NI-MH rechargeable battery could be used for charging the mobile phone.
 Over voltage and over current and over heat protection

Designed for user with one lithium cell
May be used with a rechargeable cell
 Charging current 310mA maximum (change with usage conditions)
Adds up to 240mAh to devices battery per AA alkaline battery Compact size
Enables immediate usage of device even if battery if fully depleted
Automatic shutdown primary battery is depleted
Typical efficiency 88%