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External Battery for Canon Speedlights
Michael Stevens, Photographer, Assistant
Glendale | AZ | USA | Posted: 2:04 PM on 07.31.17
->> Not so much about the batteries as I have a couple and am looking to get something better.

But, and this is a big but, last I heard all Canon flashes have to have the 4 AAs in the flash working for the unit to operate regardless of any power pack connected.

This has always seemed ridiculous. You've got a pack that will run all day long but you can't run it all day long because the internal batteries need to be working.

Has Canon, or any of the knockoffs like Yungnuo or others, ever remedied this problem?


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Chris Brown, Photographer
Katy | TX | USA | Posted: 3:09 PM on 07.31.17
->> Phottix is an option.

The Phottix Mitros+ has a menu option to allow you to select if recycle power will come from internal and external, or external only.

If you select external only the internal batteries only need to support powering the controls (and probably zoom?) so they should last a long time.

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Dan Mendlik, Photographer
North Ridgeville | OH | USA | Posted: 10:23 AM on 08.02.17
->> The external battery only recycles the flash, the batteries are required for the screen, ETTL, etc. I know with the Quantum batteries you actually get a dummy battery so you get the recycle power from the external battery (THere is also a CF to do this. I would think all flashes are going to require batteries to run the flash while using external power to recycle the flash.
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Ken Shelton, Photographer
Sarasota | FL | USA | Posted: 4:53 PM on 08.02.17

Highly recommended. Been using Al's batteries and adapter cables for Canon for over 5 years. Work like a charm, built like a tank.
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Thread Title: External Battery for Canon Speedlights
Thread Started By: Michael Stevens
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