Fit to the device models:Canon 540EZ, 550EX, 580EX, 580EX-II, EOS-1D Mark IV, EOS-1D MarkIII, EOS-1D X, EOS-1Ds Mark III, MR-14EX, MT-24EX. Compatible with the battery part numbers:LP-E4. This battery is certified with CE and ISO9001.
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