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Cannot Communicate With Battery | Reverting to Type
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A Canon 7D Mark 1 issue – “Cannot communicate with battery” – Stephen Monro's blog
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How can I fix a "Cannot communicate with battery" error on Canon 7D? - Photography Stack Exchange
How can I fix a "Cannot communicate with battery" error on Canon 7D? - Photography Stack Exchange
Canon 7D - “Cannot Communicate to Battery”: Hello Everyone, I have a Canon 7d and the battery meter reading is not working, whenever I put fully charge or usable charge battery on
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