The Indipro Sony L battery adpater plate allows you to power your camera or device that requires a Sony NP-FW50 battery. By inserting a Sony L type battery into the locking plate, the attached Sony NP-FW50 type Dummy battery that’s connected, can power-up the camera or device for an extended period of time. There is a 1/4 20 insert for mounting on camera or rig. It provides an output of 7.4V. This Sony L battery adapter plate is designed to last through all aspects of production. The cable is 24"...