IPhone 4S draining battery fast

I have an iPhone 4S and the battery is draining really fast! I turned off Wi-Fi and Siri and location and this diagnostic thing. But when I turn off my iphone, the next day I turn it on it 5% of my battery is gone! It only takes like a few minutes for my iphone to lose 1 or 2%. But it charges really quickly. I have tried resetting my Wi-Fi and deleting all the running apps. But it doesn't seem to work.

If you turn off Wi-Fi it turns on your 3g, which drains it faster, turn that off too, try recalibrating your battery

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