The Ansmann Energy 16 Plus is the ultimate universal battery charger and maintenance device from Ansmann. The Ansmann Energy 16 Plus battery charger is the new improved version of the previous Ansmann Energy 16. There are two main differences between the old and the new. The new Energy 16 Plus charges AA and AAA rechargeable faster than before. Also the new Ansmann Energy 16 Plus has two USB charging ports for charging USB compatible devices. It has the capacity to charge up 14 batteries all at once. 12 positions for AA and AAA, up to 6 positions for C and D, up to 2 positions for 9V rechargeable batteries. The Ansmann Energy 16 Plus also has an automatic refresh program. When a battery is placed in the charger it will analyse it and if necesary refresh the battery to optimise the battery capacity. It detects faulty batteries and is very simple to operate with the LED indicators letting you know exactly whats happening to each battery in each slot.