Ansso DV Battery Power Supply Plate Mount for BMD BMCC BMPC 4K BMPCC Sony BP-U60 BP-U90 BMCC mount for Sony BP-U60/BP-U30 series batteries. With DC 5.5* 2.1mm tap power. With a 1/4"-20 male thread for BMCC camera. Included a BMCC to BMPCC cable, can work on BMPCC camera. Cable length: 34cm; BMCC to BMPCC cable length: 11cm.