What is a good mobile phone battery capacity in mAh ?

What is a good battery capacity in case of smartphones ? How many mAh are considered as good ?

The common capacity of smartphone battery is around 3000 mAh. I would say that good battery capacity is around 4000 - 5000 mAh. There are also some mobile phones with high battery life. These smartphones have capacity of battery more than 6000 mAh.

In general, the lasting of battery depends also on usage of smartphone, its settings and hardware. For example, the lasting of battery is affected by display dimensions, display brightness, screen saver settings etc.