ONsite Relay C Camera Power System Bundle

The ONsite Relay C Camera Power System Bundle has everything you need to let you power your camera continually and uninterrupted, providing peace of mind. This bundle comes with not only the ONsite Relay C Camera Power System, but the Relay Camera Coupler, and your choice of the ONsite 87W or 30W External Battery Pack. The ONsite Relay C Camera Power System Bundle provides the most up-to-date USB-C technology to photographers by giving them uninterrupted power to their camera with the ability to hot-swap between multiple USB-C batteries, which allows for the flexibility needed on a photoshoot.

$319.96$475.96 $284.86$433.08

Essentials



Uninterrupted Power For Your Camera With Any USB-C Battery Pack or AC Wall Power

Key Features:

  • Perfect for: astrophotography, night photography, timelapses, shooting video, long exposures, and travel photography
  • Continually power your camera with USB-C battery packs or AC wall power
  • Run two batteries simultaneously for longer runtime and no downtime
  • No need to purchase multiple camera batteries
  • Universally compatible with most proprietary Canon, Nikon, Sony, Panasonic, FujiFilm, Blackmagic and Olympus cameras, many Sony NP-F L-Series video monitors and lights and compatible with cameras and devices requiring up to 8V of power
  • Can be adapted for use with D-Tap batteries
  • Easy mounting options with integrated silicon strap and 1/4″-20 mount

ONsite Relay C Camera Power System provides the most up-to-date USB-C technology to photographers by giving them uninterrupted power to their camera with the ability to “hot swap” between multiple USB-C batteries which gives them the flexibility needed on a photoshoot.​

How Does it Work

ONsite Relay C Infographic

The ONsite Relay C connects to a power bank, wall adapter, and/or D-Tap battery using the two USB-C connections. The other end of the ONsite Relay C connects to the Relay Camera Coupler which is inserted into your DSLR or mirrorless camera to power your camera without interruption.

Suggested Uses:

  • ONsite Relay C is ideal for time-lapse photography, astro-photography, or any photography that requires extended shooting time such as nature, fashion, landscape, architecture and more.
  • ONsite Relay C is ideal for video production as you can swap the External Battery Bank, without having to stop shooting to change camera batteries.
  • ONsite Relay C can be used with the NP-F platform to power any compatible device between 7v and 9v, like monitors, LED lights, video cameras, recorders, etc.
  • Use it to power Photobooths to ensure consistent uptime throughout an event.

Product Specifications:

ONsite Relay C

  • Input: TYPE C PD 12V/2.5A (or above)
  • Output: DC 8V/3A
  • 1/4″ 20 thread

Relay Camera Coupler

  • Relay Coupler is simply an insert for your camera battery cavity that enables powering the camera via ONsite Relay Camera Power System. The coupler does not contain a battery or hold a charge.
  • Coupler cable is 10″ (25.4cm) – Coupler cable with Relay cable is 50″ (127cm)

ONsite USB-C 87W 26,800 mAh PD Battery Pack

  • High Capacity 26,800 mAh LG
  • 1X USB-C, 87W PD
  • Type-C input DC5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/2.25A
  • 2X USB Output
  • USB output 1 & 2: DC3.8-6.5V/3A, 6.5-9V/2A, 9-12V/1.5A
  • Travel friendly, TSA-compliant
  • Dimensions: 3.15″ x 7.1″ x 1″ (80mm x 180mm x 22mm)
  • Weight: 1.3lbs (550g)

ONsite USB-C 30W Battery Pack (9600mAh)

  • TYPE-C input: DC5V/3A,9V/2A, 12V/1.5A
  • TYPE-C output: (PDO) DC5V/3A, 9V/2A, 12V/2.5A, 15V/2A
  • TYPE-C output: (PPS) 3.3V-11V/3A(MAX)
  • USB output: DC5V/3A, 9V/2A, 12V/1.5A
  • USB Quick Charge 3.0 Ports
  • High Capacity 9,600mAh
  • TSA compliant / No airline restrictions
  • Charge Phones, Tablets and more
  • Dimensions: W 1.8” x H 4.5”x D 1” (45.7×114.3×25.4mm)
  • Weight: 4.2 oz (120g)

What is the Proper Way to Connect the ONsite Relay C? Here’s the Recommended Connection Sequence:

  1. Keeping the cables unconnected, insert Relay Camera Coupler into camera, completely close door.
  2. Connect the ONsite Relay A to the power source.
  3. Connect the Relay Camera Coupler to the ONsite Relay

What’s Included:

  • One (1) ONsite Relay C
  • One (1) Adapter for Nikon Couplers
  • One (1) Adapter for Canon Couplers
  • One (1) 4.2mm female to 5mm female reducer
  • One (1) 5mm female to 5mm female coupler
  • One (1) Relay Camera Coupler
  • One (1) ONsite USB-C 87W PD Battery Pack or ONsite USB-C 30W Battery Pack
  • One (1) USB-C to C Charging Cable 3′ (1m) or Power Cable (USB-C to USB-a