The ansmann powerline 4 pro is a multifunction fast charger for 1 4 aa or aaa batteries with a charging current of up to 1800ma the powerline 4 pro also cares for the condition of rechargeable cells cells are individually controlled with the capacity of each displayed in mah on an lcd display in addition an individual charging program can be assigned to each cell the powerline 4 pro can be used worldwide 100 240v or in car 12v and has a handy usb socket for charging devices with us