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Spare batteries for a Canon 7D

  • 21-07-2010 1:54pm
    #1
    homerun_homer
    Registered Users, Registered Users 2 Posts: 7,032 ✭✭✭


    Can anyone recommend where they have purchased back up/spare batteries for a 7D for good value?

    I have twice been through the process of buying on ebay and both times the batteries don't communicate with the camera so I've had to return and get refunded. It's very annoying.


Comments

  • #2
    Mister Gooey
    Registered Users, Registered Users 2 Posts: 650 ✭✭✭Mister Gooey


    Did the batteries work? Most of the cheap batteries do not come with a microchip built-in that communicates with the camera. the camera will work fine except that you will not be able to monitor the power levels left in your battery.

    The simple solution is to have an extra battery or two packed (as you would normally do anyway). Or buy the very expensive canon batteries.


  • #3
    homerun_homer
    Registered Users, Registered Users 2 Posts: 7,032 ✭✭✭homerun_homer


    Yeah that's the thing, the camera would be on but no battery level would show. I must see if there is mch usage out of one.

    Is there a way around it if they do work in this way, whatever chip is missing - can it be replaced?


  • #4
    Mister Gooey
    Registered Users, Registered Users 2 Posts: 650 ✭✭✭Mister Gooey


    No way round it as far as I know. I am using Photix batteries (and Canon). They work as good if not better than the Canon version from what I have read in other forums. I have had no issues so far. I seem to get as large a number of shots from the Photix as the Canon battery on my 7D. You might get the odd dud rechargeable battery from third party suppliers but you could say that about Canon (or Nikon batteries as well).

    If you want to be sure of the charge left in your battery, just buy the Canon battery. It did annoy me at the start not knowing what the exact charge level was left. But it really makes no difference if you are carrying some spare batteries.

    Even if you new that the battery was running low, you will normally keep taking photos until the battery stops and then you just swap in a new one and then continue on snapping!


  • #5
    LeoB
    Registered Users, Registered Users 2 Posts: 4,256 ✭✭✭LeoB


    Only see this thread now. I bought 4 batteries (2 for my friend) from www.7dayshop.com for our Eos 40d and they are fine. My camera shows power left and I also think they are lasting slightly longer than Canon battery


  • #6
    Nforce
    Registered Users, Registered Users 2 Posts: 2,924 ✭✭✭Nforce


    Another +1 for the Phottix batteries. I'm using them in a D300 and they seem to hold up ok.


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