battery consumed a lot in own iphone5 IOS 7

i noticed my battery consumed a lot in h own iphone5 IOS 7, a lot of fetures i turened it off to keep more my phone works for more houres.

also i noticed the cable "chrager" gave me message " The Cable or accessory is not certifed and may notworking reliably with thid phone".

with note that it came with device the orignal one.!!!!!