htc touch 3g:
Stand-by Up to 450 h Talk time Up to 6 h 30 min
htc touch HD:
Stand-by Up to 450 h Talk time Up to 6 h 30 min
htc touch pro:
Stand-by Up to 406 h Talk time Up to 8 h
SE Xperia X1:
Stand-by Up to 833 h Talk time Up to 10 h
Samsung omnia:
Stand-by Up to 500 h Talk time Up to 5 h 50 min
são as informações oficiais e dependem sempre do uso que se dá, assim como alterações a nivel de software efectuadas.