Hello Orencio13,
Thanks for reaching out to Apple Support Communities. Battery life is important, and we'll be happy to help. Please see the following resource which can help resolve battery life issues:
Batteries - Maximizing Performance - Apple
After reviewing the information under "General Performance Tips", go to "Tips for iPhone, iPad and iPod touch”. Apply any of the tips provided and review the battery usage after a few days of applying those tips. Compare what you're finding now to what you found earlier to see if there's any improvement.
Let us know if you need more help.
Cheers.