Why did my iPhone 4 run out of battery in an hour?

I had it set up as a tissue-box security camera to monitor my bedroom, and while it was recording, it only lasted an hour before shutting off. It was in airplane mode and had brightness all the way off. Are there more ways I can get it to run for say, 4-6 hours?

Go to your home screen and push the back button twice, and a row of your apps will open up on the bottom, hold down on one and they will all start shakeing and push the minimize or the minus sign on them and go through the whole line like that… Your not deleteing your just closeing them, like on a computer if you have 60 enternet tabs its gonna go slow, your just closeing the tabs, thats all

Do you charge it a lot? If so, Charging it a lot can shorten you're battery horribly. If you want it to last longer i'd say buy a extended battery.

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