Nitecore FX1. The FX1 is a compact digital USB charger for Fuji camera batteries. The ability to power the FX1 charger via a USB connection makes it a perfect companion for mobile use. The FX1 features two charging slots, one on the front and one on the back. The LCD display provides various information about the charging process: battery voltage, charging current, temperature, charging progress, and battery status. The FX1 automatically selects the appropriate charging method. It is compatible with batteries from the following Fuji cameras: X-Pro1, X-Pro2, X-T1, XE1, XE2, XA1, XA2, XM1, HS30, X-T2, X-E2S, X-T10, X-H1, X-A5, X-A20, X-E3, X-T20, X100F, X-A10, X-A3, and other models.