Ansmann extreme aaa aa 9v e block pp3 lithium batteries ansmann 1512 0002 the ansmann extreme lithium battery is a new generation of battery which can be used in high tech appliances as well as for everyday household devices the lithium battery is 35 lighter has more energy more capacity and an extremely long life cycle when compared to standard alkaline batteries the extreme lithium battery has three times the capacity of a conventional alkaline battery and seven times more compared