Dedicated to the FUJIFILM NP-T125 rechargeable lithium-ion battery, the BC-T125 Battery Charger is a spare or replacement item for the one originally included with the GFX 50S medium format mirrorless camera. The Fujifilm BC-T125 Battery Charger is designed to work with NP-T125 lithium-ion batteries. It is a genuine spare or replacement charger in case the one included with the GFX 50S camera is lost or damaged.