This Sony NP-FW50 dummy battery to 5.5/2.5mm DC female cable allows you to power the Sony a6 and a7 cameras as well as Sony NP-FW50 power-based accessories through a 5.5/2.5mm DC female cable.
In the Box
Tilta a6/a7 Dummy Battery to 5.5/2.5mm Female Barrel Power Cable (41")