The Fenix ARE-X1 V2.0 is an upgraded battery charger with many great features to make sure you can quickly and safely charge your Fenix batteries. It includes a max charging current of 1.5A with a digitally controlled computer chip that will help extend your battery life. The ARE-X1 V2.0 also has a battery level indicator that will display both the charging and discharging status. This compact battery charger also has five levels of protection: over-charge, short circuit, over-current, over-voltage, and reverse polarity. You can also use the USB Type-c port and included cable to charge or discharge. The ARE-X1 is compatible with many battery types, including the standard 18650 and 21700 size batteries.