I am using - Amazon.com: Black USB Powered Foldable Cooling Pad with 2 Fans - Supports up to 15.4" for Laptop Notebook Netbook (Free Gift Bluemall Mini Brush Included): Electronics

With - Amazon.com: AC to Dual Port USB Wall Charger: Electronics

That is what I am using now. Just to clarify, it is on the outside of the tank over the strip of screen.