The Croma CRCA2116 4 Way Charger is a lightweight and compact travel charger to carry with you anywhere. Just slide it inside your purse or carry it in your pocket. The multi mini charger is so small that it is easily portable within most camera pouches and laptop bags. This tiny charger is capable to charge your portable media devices such as mobile phones, mp3/ mp4 players iPod etc. The uniqueness of this product is that, it has got four ways of charging. when you are at home charge through electrical wall outlet, while travelling in car use the cigarrette lighter socket, while on the move in private transport you can charge either through two AA (Drycell or Alkaline) batteries or a single 9V Alakaline battery.