Fujifilm NP-W126S is an original replacement Li-Ion battery designed for Fujifilm X models (series: X-Pro, X-T, X-E, X-A, X100F). Thanks to the large capacity of up to 1260mAh, you can take more than 350 photos with the camera on a single charge. However, it is a good idea to always have at least one spare battery with you. Fujifilm NP-W126S works with a working voltage of 7.2V.