Guys I don't know of this is normal or not but my iPhone 5 battery life is really bad, look at these numbers and I only have been using Instagram, Whatsapp and Twitter I never gane or watch videos...
iPhone 5, iOS 9.2, Second Hand iPhone
Depending on the age and use of the phone, the battery might have to be replaced by Apple or an Apple Authorized Service Provider.
Find an Apple Authorized Service Provider
If you look at the button of that screen you posted above, what apps are listed that use most of your battery life? This might help to find out if some apps are using the phone in the background.
Battery drain
