Is there a way to get my IPhone 4 to hold a charge for a longer amount of time?

That's very abnormal. Try these things, in order.

Try a reset by pressing the home and sleep buttons until you see the Apple logo, ignoring the slider. Takes about 5-15 secs of button holding and you won't lose any data or settings.

Remove all apps from Recently Used list...

- From any Home Screen, double tap the home button to bring up the Recents List

- Tap and hold any icon in this list until they wiggle

- Press the red ➖ to delete apps from this list.

- Press the home button twice when done.

If still a problem restore with your backup.

If still a problem restore as new, i.e. without your backup. See how it runs with nothing synced to it.

If still a problem, it's likely a hardware issue.

Put it to airplane mode and then turn wi-fi off and then turn the brightness down and remove all apps if you want to save battery

imamuddin wrote:

Put it to airplane mode and then turn wi-fi off and then turn the brightness down and remove all apps if you want to save battery

Not very practical... the phone is 90% useless at that point.

You're welcome.