Voltage conversion on notebook

I just bought a macbook air and Im planning on taking it with me to europe. I have bought the pin conversion adapters (so I can plug in the charger to the wall) but will I also need to buy a voltage converter?

I understand everywhere in europe runs on 220v/50 Hz, and in North america we run 110 V / 60 Hz? will this affect my battery if Im going to be using it over a six month period?

thanks guys

I think you mean 220-240V.
All you need is the European plug adapter, as the charger supports both 110V and 220-240V.

You may also want a surge protector.
http://store.apple.com/us/product/T...fnode=MTY1NDEwMQ&mco=MTA4NDQ5MTE&s=topSellers

I agree with 6string.
I bought my MBP in the U.S. and had used it overseas without a transformer for almost 3 years. Never had any problems.