(Old video review above) Looks like Polaroid got a hold of the 312 LED Video lights. That's a good thing, because they seem to have negotiated prices much much lower. There is a more expensive v2.0 out which has an updated case and better plastic diffusion panel, but that will run you at least $60 dollars more. We're still using the old versions that haven't failed us yet, and the new low price makes it worth adding to any arsenal.
The 312 is one of our most favorite on-camera LED lights with it's big panel for better diffusion and color adjustable feature to help blend in with ambient lighting. It comes with two Sony NPF style batteries, Sony style battery charger, mini ball head, and it's own traveling case. The light can be powered off one battery, but can house two for longer run times. There's also a DC input if you want to power the batteries from a wall or external battery pack (like my Tekkeon).
LED light Test from WideOpenCamera
Here's a tip. Some of these Sony batteries that power the 312 run only at 7V. The DC input can accept 14V. We're finding we can get slightly more light output when using the DC input at 14V.
These lights normally average prices around $165 and if you find them cheaper make sure to check what parts they come with. Some sellers try to sell them cheaper but don't offer batteries, charger, ball head, case, etc. Now that Polaroid has them, the price has dropped. On eBay Polaroid is selling them for $140 dollars, but right now it's going for just $119 via Amazon (click here).
Polaroid 312 LED Video Light Kit - Dimmable Color Temp Adjustable