Function: transfer the power from AA battery to mobile phone. High effect: charging 100-180 minutes, the charger could transfe Dear Sirs/Madam,Here we present you a hot item: Mobile Phone Charger. It can transfer the power froma AA battery to mobile phone, then it can make the phone keep stand by 24 houror talking 100-180 mins. Now you can talk on or charge your phone wherever andwhenver you want ...