External power solution for Sony A7S

[CharlesPapert]

For those wrestling with the short battery life of the A7S and who will be using it in a built-out configuration, Switronix has introduced a D-tap (aka powertap) power cable with voltage regulation:

http://www.switronix.com/products?p...age=flypage.tpl&product_id=260&category_id=58