Tether Tools Case Relay Camera Power System

Product description

• Perfect for: astrophotography, night photography, timelapses, shooting video, long exposures, travel photography
• Continually power your camera with USB battery packs
• Hot swap batteries mid-shooting with no downtime
• No need to purchase multiple camera batteries
• Compatible with most Canon, Nikon, Sony, Panasonic, Fujifilm, and Olympus cameras and many Sony NP-F L-Series video monitors and lights