Purchased the 300W slimline solar panel. It was a fairly straight forward buying process, but I would have liked a bit more technical data on the panels. The basic data is given, but being a lot more expensive than other panels on the market, I know the build quality etc is much better than these other brands, the cheaper brands seem to give a lot technical data than the Kickass. I had to do some additional searching off site to find what I needed to know. Fortunately in one of these searches I found a discount code of 10%, which which means I can get a carton and a half of beer on Australian Direct... cheers. Will give a review of actual product when I receive it.