The Fenix ARE-D2 is a dual channels smart charger that features Micro USB charging and USB discharging functionality. It is compatible with Li-ion and Ni-MH/Ni-Cd batteries; 2A large charging current makes charging even faster. A high-definition LCD screen clearly displays the charging, discharging and battery status. The chargers also include multiple built-in protection circuits that guarantee charging and general usage is both simple-to-use and safe. Micro-computer chip controlled digitally regulated charging to extend battery lifetime.