SpeedFire II (For US) - External Power Supply for Nikon Speedlites, Equivalent Speedlites from Godox and Yongnuo (Patent Number : 2-2016-000842)

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FOR US: Power Pack for Nikon Speedlites - SB-800, SB-900, SB-910, SB-5000, Equivalent Speedlites from Godox and Yongnuo

The Tronix SpeedFire II is the updated version of Tronix SpeedFire.  It has dummy battery that will allow you to use your speedlights without using battery. The Innovatronix External Power Supply Speedfire II is an external power source, so you'll never have to wait to recharge your flash again! Plus, you can avoid having to suddenly change your batteries during an important shoot.

It converts AC power to high voltage DC power that connects to the flash gun’s external power port. It effectively reduces recycling time and provides unlimited number of flashes. The Tronix Speedfire II powers your camera flash and has an impressive charging time of just 0.02 to 0.5 seconds (depending on the brand and set output of the flash). This allows you to continuously fire your flash. The Speedfire II is mainly intended for use in a studio or at home.  

The Speedfire II is a portable and easy-to-install external power supply designed specifically for camera flash units. All necessary cables, batteries and other accessories are included as standard. The power supply itself is equipped with Velcro, so you can easily and securely attach it to any object. For high reliability, the device is equipped with an auto-cool-down function. This will automatically turn off the unit if it gets too hot.

How to Use :

Plug the connector cable into the DC output of the Speedfire and connect it to your camera flash. Then connect the SpeedFire II to the mains using the included mains cable.

Now the unit will start automatically and the red LED on the SpeedFire II will light up. Then connect the cable, to which both dummy batteries are connected, to the DC-input at the top of the SpeedFire II. The batteries themselves are placed in the battery compartment of your camera flash.


  • 1x Tronix Speedfire II for Canon
  • 1x Elastic connector cable for camera speedlites
  • 1x Mains power cable (US type)
  • 2x Dummy battery with DC plug
  • 2x Velcro for Speedfire
  • 1x User Manual
  • 1x Full-color packaging

- Shipping Fee anywhere in the world: $19.95 for 1 unit
- Plus $10 shipping fee for every additional unit
- Item will be shipped via FedEx with a tracking number. 
- For some countries, duties and taxes may apply. Customers will pay.
- Delivery time: 7 - 14 days

    Customer Reviews

    Based on 1 review
    Makes it much more convenient to shoot

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