Mophie has announced a battery case for the iPhone 5. The Mophie Juice Pack Helium packs a 1500mAh battery in a case 13% thinner than previous models. Like the case for the iPhone 4/4S, the Helium re-directs the sound from the bottom of your phone to the front, making it easier to hear.

Check out what 1500mAh means:

• Up to additional 6 hours on 3G
• Up to additional 6 hours on 3G
• Up to additional 6 hours on LTE
• Up to additional 7 hours on WiFi
• Up to 30 hours of Audio Playback
• Up to 7 hours of Video Playback

The case ships starting February 14.