SmallRig 3498 V Mount Battery Adapter Plate (Basic Version) with Dual Rod Clamp - 3498 is designed to provide greater battery life to your camera rig via a V mount battery. Its standard quick-lock V mount supports most V mount batteries. Output ports, including an 8V DC port, a 12V DC port, and two 14.8V D-Tap ports, work with a V mount battery to power your camera and other equipment (e.g. monitor, transmitter, follow focus, mobile phone, etc.). It features a power switch that controls all of the output ports more quickly and conveniently and comes with a 15mm dual rod clamp that suits a 15mm rail support system. In addition, multiple 1/4-20 thread holes allow attaching other accessories such as super clamp mount and magic arm. Note: 1. Do not use in damp environment to avoid short circuits; Compatibility: The plate fits most V mount batteries but PAGlink series V mount batteries and Patona Premium Battery for BP-190WS. Package Includes: 1 x V Mount Battery Adapter Plate 1 x 15mm