How to made travel charger for mobile telephone

We need:

Car telephone charger,

8 batteries AA or another batteries on 1.5 V (8*1.5 = 12V),

battery holder box,

car cigarette lighter socket.

2. Connect the cigarette lighter socket to the battery box («+» - on center). Put batteries. Connect car telephone charger to socket.

3. It‘s a very useful thing for a traveler. One set of batteries can charge Nokia N73 for 3 to 5 times.

Step 1:

We need:
Car telephone charger,
8 batteries AA or another batteries on 1.5 V (8*1.5 = 12V),
battery holder box,
car cigarette lighter socket.

Step 2:

2. Connect the cigarette lighter socket to the battery box ( «+» - on center). Put batteries. Connect car telephone charger to socket.

3. It‘s a very useful thing for a traveler. One set of batteries can charge Nokia N73 for 3 to 5 times.

Also this Instruction in Russian on my blog.