ILED Battery Plate Adapter for SONY NP-F970 NP-F550 NP-F750 Li-battery with DC Diameter 2.5 Jumper Cable DC Diameter 2.5 Output Jack (DC7.2V) Battery Mount: Sony NP-F Seriers The Battery Plate allows you to power a variety of led video lights via a plug to plug DC2.5 cable Comes with a DC2.5 to DC2.5 Jumper Cable A Small L-Shaped Bracket included