SmallRig DC5525 to 2-Pin Charging Cable for BMPCC 4K/6K 2920 is designed for use with the SmallRig NP-F Battery Plate EB2504. It plugs into BMPCC 4K/6K at one end and connects to the battery plate via the 5.5/2.5mm DC male connector. The total length is 40cm.