( NOT for 5DS, 5DS R, 5D Mark II, 5D Mark III, 5D Mark IV ). Model: DR-400 DC Couple (BP-511 Dummy Battery). 1 Piece DC Coupler DR-400 (5.5mm. Output: DC 8.1V, connect directly to power bank and you don't need to worry about running out of battery any more. ).
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