The Dual LCD USB Charger from Patona is ideal if you want to charge multiple batteries independently of each other, at the same time. It is also possible to charge batteries with different capacities at the same time. It is also possible to load a third party device such as a mobile phone, tablet, smartphone, camera via the integrated USB output. The built-in charging technology is microcontroller controlled and prevents overcharging or overheating. In addition, it automatically detects the required voltage of the inserted battery. In order to cover as many application areas as possible, the charger has 2 different charging modes, "L" for normal, battery-saving charges and "H" for rapid charging.