After a few days your cell wears battery wears down. How long should it last? Your cell typically should wear down after about a week. The only time your cell battery should ever wear down a lot is if you have made some long distance calls.

Your cell grasps for signals across the nation when you make these calls, so that is why it wears down the battery. If you think turning off your cell phone helps to keep the battery, then think again! Your cell can wear down just as much not being on as being on.