Example: Why is my battery life draining so fast?

[Ragupathi]

My estimated time left before critical update is 1day21 hours now it shows 23 hours at 100% is my battery life reducing day by day

 

[Torcher Death]

The estimates are based on your usage leave it idle for a day & you should see the estimate increase.
Also you might want to disable the apps that you don't wish to run in the background.