Emergency Charger Use 2 AA LR6 Alkaline Batteries Charging To iPod or iPhone With LED Lighting Input: DC 3.0V (2 X AA Battery), No Support Ni-MH HR6 Rechargeable Batteries(1.2V), Only Support LR6 Alkaline Batteries(1.5V).Output: DC Max. 5.0V/500mAHousing:82*37*20mmIncidental Accessories: NoneOptional Accessories:Selection Data Cables Emergency Charger