Power your camera and accessories for extended periods with this multi-function power solution, the Maxell Power Shoe Adapter with NP-F550 Battery & Charger Kit, from B&H. Attach the Power Shoe Adapter into your camera's hot shoe, and you now have an NP-F battery mount, three shoe mounts, and P-Tap and Hirose power outputs. The included battery offers a 7.4V output and the charger folds in to easily fit in your bag or pocket.
Incorporate optional P-Tap or Hirose straight-through cables or adapter cables to power pretty much any mountable accessory.