We have divided our V-mount batteries into different classes. The type: Battery V-Mount Size M (100-200Wh) is a V-mount with between 100WH- 200Wh. This type is recommended for use with LED lights with higher power demand. If you have specific questions about batteries or connection options like D-tap or USB, please contact us. V-Mount batteries are the ultimate mobile power supply for every FIlm- or photoset. Many LED lamps, cameras and other devices accept or can be adapted to use batteries with this universal connector.