Re: Short circuit by screw!!! SOLVED: Canon 7D "will not communicate with battery": Canon EOS 7D / 10D - 90D Talk Forum: Digital Photography Review
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Powertrust Bg-e7 Battery Grip For Canon Eos 7d Digital Slr Camera As Bg-e7 Battery Grip Work With Lp-e6 Battery - Battery Grip - AliExpress
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