Complete USB-A Power Tethering System for Content Creation

Creating a piece of original content makes you stand out from the crowd. As a content creator, you need to have the right setup in order to be successful, including having plenty of power, the right software and a way to interact with your clients. Your content creation and setup should also work synergistically. The Content Creation & Webcam Kit for USB has all you need in order to create a smooth and stable workflow in order for you to focus better, hone in on your creativity, and gain a streamlined approach to your content creation.


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Creating original, captivating content is key to a successful business. When it comes to your setup, having quality video and consistent power without any interruption helps you to capture professional content you’re proud to share. Designed with the working professional in mind, the Content Creation and Webcam Kit for USB is the ideal package to help you transition to a consistent and successful workflow. This kit includes the following: Case Relay Camera Power System, Relay Camera Coupler, TetherBlock, TetherPro USB-C to USB-C cable, and the ONsite USB-C 150W 25,600 mAh PD Battery Pack.

Product Specifications:

ONsite Relay A Camera Power System

  • 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
  • Can be adapted for use with D-Tap batteries

Relay Camera Coupler

  • More cost effective than purchasing multiple proprietary camera batteries
  • Power sources are non-proprietary. Power your camera with the same 5V battery you use to charge phones or tablets.
  • Never need to charge camera batteries again. And never run out power.
  • Compatible with most Canon, Nikon, Sony, Panasonic, Fujifilm, and Olympus cameras. Check to confirm your camera model is supported.
  • A Case Relay Camera Power System (sold separately) is required to use the Relay Camera Coupler.


  • Keeps tether cables connected and secured to camera
  • Protects expensive camera ports from damage
  • Constructed from precision milled T5 aerospace aluminum alloy
  • Lightweight and extremely durable
  • Multiple routing channels accept thick, medium or thin cables
  • Rubber non-slip pads keep the TetherBlock from moving once attached to the camera
  • Additional 1/4-20″ female threads allow mounting non Arca-compatible tripod plates

ONsite USB-C 150W 25,600 mAh PD Battery Pack

  • Recharge a Macbook Pro 13in and other laptops 1.6 times 
  • Quick charging – charge a Macbook Pro 13in from 0 to 100% battery in 2 hours 
  • Recharge on an iPad Pro 2 times 
  • Recharge SmartPhones 5 times 
  • Powers Macbook Pro laptop for up to 8 hours with 26,800 mAh Battery. Battery time will vary depending on power-consumption 
  • Total 136W Output to charge 3 devices at once 
  • Type C 150W Input/Output X 1 
  • Type A 18W Output x2 
  • Recharge battery in 3 hours 
  • Airline and TSA-friendly. No travel restrictions. 

TetherPro USB Cable

  • 15′ (4.6m) long
  • Black or High-Visibilty Orange

What’s Included:

Case Relay Camera Power System

ONsite Relay Camera Power System (CRUPS110)


TetherArca Air Direct Clamp for L-Brackets

Relay Camera Coupler (CR)



TetherBlock (TB-MC-005)


TetherPro Cable

TetherPro USB Cable (CU)

ONsite USB-C 150W 25,600 mAh PD Battery Pack

ONsite USB-C 150W 25,600 mAh PD Battery Pack (SDAC150W)