Tattu UAV/drone battery charger is specially designed for all kinds of UAV batteries and can charge 6S/12S lipo battery packs. Users can select between Charging mode and Maintenance mode. The charging current is adjustable between 10A, 20A and 30A. they also have over-current, over charging, over temperature, safety cut off, fast equilibrium and status indicator functions. Enable you to know the battery status easily and quickly.