Sell Mobile Emergency Charger
Meeting an emergency:
Whenever you are, not need alternating current, you could charge your mobile phone in time, and talk when charging.
High effect, save resource
Charging 100-180mins, the charger can transfer the resource from the single AA to mobile phone battery. And make the phone keep 24 hours of standby time or talking 100-180mins.
Modern and protable
Specially designed, modern style, small size(only bigger than AA a little ) , portable.
One AA alkaline battery or ni-mh rechargeable battery could be used for charging the mobile phone.
Safe use a safe stream of power to charge or talk longer on your cell phone.