Need even more battery power for your iPhone 4? The Mophie Juice Pack plus has our largest Juice Pack battery which extends the battery life of your iPhone for hours! The Juice Pack plus also provides a comfortable ergonomic design with the complete protection of a dual-injected hard shell case with protective rubberized band. Since it is designed to more than double the time you have to Rock, Talk, Surf and Send with your iPhone 4, the Mophie Juice Pack plus is the ultimate iPhone 4 battery case for travel or business.
More than Doubles Battery Life
2000 mAh capacity, advanced battery technology delivers an incredible amount of "juice" in a small form factor, more than doubling battery life.
Features a simple toggle switch allows for standby and charging mode so you only have to use the Juice Pack plus battery when you need it!
Charge and Sync
Charge and sync your iPhone to iTunes without removing it from the Juice Pack plus by using the included USB cable.
Protective Rubberized Band
The Juice Pack plus provides a comfortable ergonomic design with the complete protection of a dual-injected hard shell case with protective shock-proof rubberized band.
The integrated LED status indicator on the bottom tells you exactly how much juice is left at the push of a button. It also indicates the charging status so you know before you go.
Acoustic Sound Enhancement
The case design acts as a virtual speaker box, redirecting sound from the bottom of the iPhone 4 to the front, resulting in a richer, fuller sound quality.
Works with iPhone Certification
The Mophie Juice Pack Plus has passed the strict over-the-air performance tests by an Apple designated test lab. As a result, the Mophie Juice Pack Plus has been officially certified by Apple Inc. as a "Works with iPhone 4" product. The Mophie Juice Pack Plus also uses an Apple-designated connector, which can only be ordered through Apple's certified vendors. This ensures that it's 100% compatible with your iPhone 4.