Hey guys I am facing problems with itouch battery .it last only for about 2 days. ?

[SimarjitsinghJuneja]

All I do is a little bit of gaming (approximate 10 -15 min) surf on wifi (1 hour) watch online videos(45 min) listen to music(30 min) and this continues only for 2 days then my itouch battery is down to 20 % .whenever i'm not using wifi I switch it off ,auto brightness is off eq is off airplane mode on , no background app is running