We have divided our V-mount batteries into different classes. The type: Battery V-Mount Size S - Mini is a V-mount with under 100WH but also in the smaller (square) version to be mounted to a smaller Camera. 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. Rechargeable batteries with a capacity below 100Wh are accepted by most airlines in hand luggage.