So, as you can see in the graph below, the Xperia Z2 has turned out to be among the best performers in the field, finishing right behind the Galaxy S5, which also has a fantastic result. It's always a good idea to keep in mind that battery life experience can greatly vary from user to user, due to different usage patterns and intensity, but all in all, it's hard to argue with numbers, and the Xperia Z2 has given us just that - indisputable proof that the battery it packs is a real marathoner!