With this Sony L-Series Battery Adapter Plate, it allows you to power your camera using an L-series battery. The L-series battery plate features a DC to DC cable compatible with 2.1mm and 2.5mm DC barrel output.
The plate features a 2.1mm DC barrel output that provides 7.2V power output. It also features a mounting screw, allowing you to attach the battery to a variety of mounting adapters, cages, or accessory arms that have a 1/4"-20 threaded hole for long-lasting shooting.