This compact charger is opened by dépliant.Fermé, it has a small footprint and can fit in a pocket or bag mains.Il works in pairs of two batteries, and can charge two different models at the same time ( but in pairs), AAA, and AA! The charging time is actually very short, on the order of three quarters of charge indicator hour.A, from red to green, indicating that the operation is terminée.Vraiment functional!