Portable Lcd Dvd Players Philips Portable Dvd Player Where Can I Find An External Adapter That Allows Me To Charge My Portable DVD Player With AA Or AAA Batteries?

Where can I find an external adapter that allows me to charge my portable DVD player with AA or AAA batteries? - portable lcd dvd players philips portable dvd player

I have a Philips 7 "TFT LCD Portable DVD Player PET723 color model

So I do for my flight, I can play abroad want to be able to play this DVD at least 12 hours