The NPT125 Battery and Dual Bay Auto Charger for Select FUJIFILM Cameras from Bescor is compatible with the FUJIFILM GFX 50R, GFX 50S, and GFX 100 Medium Format Mirrorless Cameras. This powerful battery offers a 1250mAh capacity, 10.8V of output power, and a rating of 13.5Wh. The dual bay charger utilizes a North American type AC plug, and for added convenience the charger runs on 100-240 VAC power for worldwide use.