Make those large LED Video Light Panels more portable by running them off of batteries. Here's a random little video showing you how to power up those CN-600 / CN-900 LED Video Lights using the 14V Sony BP-U30/U60 batteries. It's not the cheapest solution, but compared to other batteries available, it's not too shabby.
This was the same battery adapter that I showed earlier which acts to power up your BlackMagic Cinema Camera. You can find the products below.
Sony BP-U60 BP-U30 Battery Plate 14V for BlackMagic Cinema Camera
You can find the CN-600 LED Light Panels available via eBay (click here).
CN-600 LED Video Lights
The CN-900 LED Video Lights are also found via eBay (click here).
CN-900 LED Video Light Panels