Since last update battery life on iphone 4s and ipad 2 are draining rther fast, any solutions?

[iMore Question]

Since I completed the last update 8.2, my Iphone 4s and Ipad 2 battery life seems to drain drastically fast. any solutions as to why this is happening?

 

[bamf-hacker]

go to Settings > General > Usage > Battery Usage and see what is using the most battery. If it is something you are not in a lot then that could be the culprit.