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    Home»Canon EOS Rumors»EOS 5D Mark III & Third Party Batteries

    EOS 5D Mark III & Third Party Batteries

    By Canon RumorsDecember 12, 2013No Comments2 Mins Read Canon EOS Rumors
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    Tech Support
    The story below has some good information in regards to the EOS 5D Mark III and some third party batteries. Not all of them are created equal, and a few companies will support you in making sure you get batteries that are 100% compatible.

    Says Jon
    When Canon upgraded the firmware of the 5D Mark III to 1.2.2/1.2.3 they killed some of the functionality of aftermarket batteries.

    • Each time you put a battery in it required you to acknowledge “Communication with the battery is irregular” and the camera would not register it.

    My contact at Canon explained this was an effort to cut out counterfeit batteries claiming to be Canon batteries. I explained to him the 3rd party batteries I used were clearly NOT labeled Canon and in addition contained a chip to allow it to communicate properly.  My contact explained that Canon would probably never make a change backwards on this situation.

    5d3battery 575x215 - EOS 5D Mark III & Third Party Batteries
    Third party battery error messages.

    Solution
    Jon contacted the vendor that makes the batteries he likes: Maxtek/YoKool, they advised him that they now have a new battery that is 100% compatible to the new firmware. The new batteries he got directly from them do not have the communications issue and they will register with the camera.

    Maxtek/YoKool only sells these batteries through Amazon. Maxtek/YoKool advises at least for the moment (until Amazon stocks reduce and have the new batteries) to make sure to order the batteries directly from them, not use the Amazon fulfilled link:  See the correct batteries here.

    cr

    EOS 5D Mark III
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