1. Storage capacity of battery 2.Phone battery should give popup message when only 20% battery is remain. 3.Battery should give save powder mode message 4.When its fully charged then it should show 100% charging. 5.When battery is charged more than 80% then ''charging is reached at suitable amount'' 6.when battery reach to 0% mobile phone should automatically gets switched off 7.When user charging the battery percentage should be displayed on phone screen. 8. If battery is low while clicking any photo, warning message ''cannot turn on Flash due to low battery should be displayed''