【Lightweight V-Lock Plate】SmallRig 2990 utilizing a standard V mount fits most V mount batteries to provide more excellent battery life for your camera rig with your battery's power port(s). The plate fits most V-mount batteries, but it is NOT compatible with PAGlink series V mount batteries and NOT compatible with Patona Premium Battery for BP-190WS. The mount has no electronics and is meant to mount a battery that has its own power outputs to power your gear. | 【Mount V-Mount Battery On A Belt/Strap】On the back, SmallRig 2990 features a belt clip that secures onto a thin surface such as a belt or strap. It helps hang a V mount battery on a waist belt or a backpack shoulder strap to reduce your camera rig's weight. | 【Clip Features Anti-Slip Design】The anti-off design on the edge of the belt clip helps catch the belt's bottom if forces pull it up to prevent it from falling off. | 【Mounting Options】The plate itself features two 1/4-20" countersinks, two 1/4-20" thread holes, and four M4 thread holes, which can be used to attach a dual rod clamp, a magic arm, or other accessories, which will help mount a V mount battery to your camera rig as needed. | 【Aluminum & Stainless Steel Construction】It is constructed with durable aluminum and weighs only 2.2 oz. A mini shape design makes it lighter and more portable. | 【Related Products】SmallRig mini V-mount Battery VB50 (50Wh) 3579 and VB99 (99Wh) 3580 are now available, multi-interfaces and PD fast-charging design, widely compatibility use for cameras, camcorders, monitors, smartphones, etc.