Why is my battery life so poor?

[AC Question]

Battery Life

Samsung 3 user here-as i type this my battery has gone from 100% to 73%. I have cleaned out the port, tried 4 different usb cords and chargers, let it charge while it's off and none of this is helping. Please help me

 

[the tall guy]

Re: Battery Life

It might not be something to do with the cables of the charger - especially if it charges the phone. Look at your battery stats in settings and see what is eating your battery up - you might have an app that is battery hungry.