Right guys and girls I've got a bit of a question I want to have a completely mobile DJ setup for down the beach I've already got a battery-powered PA speaker and an iPad running traktor dj do you know of any companies who Make a battery-powered controller that will work with traktor DJ iPad app?? I've been looking at the z1 but that's relies on mains power I was thinking about getting a 12 V battery or Solar panel to power it would this work ? Or could you suggest I decent alternative