Most of the editors I know work off the MacBook pro laptops, so I thought some people might find this information useful. Apple has patented and has been very protective about their MagSafe connector and has even sued a company for using it with an external battery back. Even though the company was purchasing the cables directly from Apple and then modifying it. Instead the company now offers a 'magic box' that splices into your existing MagSafe cable to work with their HyperJuice batteries (found here).
We recently took a trip out to NAB2012 and wanted to make sure we had enough mobile juice for our editor, and found that there was a cable available to work with our Tekkeon MP3450i battery packs that we have so many of. With all the Tekkeon batteries we have, this cable has been working perfectly and would provide us with many, many, many hours of run time for our MacBook Pro, MacBook Air, and of course USB power to all of our iPhones, iPads, and other camera accessories. I'm not sure if Apple is going to try and step in again and shut the operation down, but Tekkeon uses a 'recycled' modified cable to connect with select Tekkeon batteries. Hope some of you find this tip useful if you're looking to get some additional run time on your MagSafe powered MacBook Laptops.
Just received my other two batteries. Now I have a nice 3pc LED light kit on all battery power. These will work on either my 600s or 900 LED panels (Video Test Here). These batteries won't work on the 1200 LED Panels (found here) because those run on 24V.
Besides using these for the 600 / 900 LED light Panels, there are several people who use them to power up accessories on their DSLR rigs. I'm waiting for some special mounts from CPMCameraRigs.com. They design a snap package that mounts to standard 15mm rails. Coupled with a special secondary battery. You can check out some of the mounting options over at their website (click here).
CPMCameraRigs.com Tekkeon Battery Snap Packages
Literally just two days after posting about the Tekkeon back in stock, it was sold out and back on backorder status. Today I just checked (while writing this article) and it's back in stock again! These things are hot, and they'll be sold out again very quickly. Cheapest place i've found them is at B&H (click here).
Tekkeon MyPower All Battery for 600 / 900 LED Panels