Tether Tools Relay Camera Coupler CRN5 for Nikon EN-EL9a

The Tether Tools Relay Camera Coupler CRN5 delivers constant, uninterruptible power to your Nikon camera when paired with the Case Relay Camera Power System. Simply insert this battery cavity insert into your camera’s battery port, attach it to the Relay power system, and power your camera continuously with an external 5V USB battery pack or AC power source. Perfect for extended shooting sessions including time-lapse photography, photo booths, video production, and power-hungry LiveView work. The coupler features a 10-inch cable and does not contain its own battery or charge storage.

• Constant, uninterrupted power for Nikon cameras with EN-EL9a batteries
• Hot-swap compatible for seamless power transitions without losing camera power
• Works with standard 5V USB battery packs and AC power sources (non-proprietary power)
• 10-inch coupler cable; full relay cable extends to 50 inches
• Requires separate Case Relay Camera Power System (sold separately)