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mophie Juice Pack Air Case - iPhone 4/4s


This product is no longer available, but don't go just yet.


  • Thin and light case offers the full protection of a hard shell
  • Built-in, rechargeable battery can be set to Charge or Standby with the flip of a switch
  • Integrated LED status indicator tells you exactly how much juice is left
  • Included USB cable lets you recharge your battery or sync your iPhone 4/4s to iTunes without removing it from the Mophie Juice Pack Air case


View all mophie Phone Cases

REI membership


Best Use Travel
Material(s) Plastic
Dimensions 5 x 2.5 x 0.7 inches
Weight 2.5 ounces

The REI Difference

100% satisfaction guaranteed

We stand behind everything we sell. If you are not satisfied with your REI purchase, you can return it for a replacement or refund within one year of purchase.

REI's guarantee doesn't cover ordinary wear and tear or damage caused by improper use or accidents.

If your item has a manufacturing defect in its materials or workmanship, you can return it at any time. See our limited warranty.

Gear & advice you can trust

At REI, we live and breathe the outdoors, and we're passionate about sharing our expertise with people of all skill levels. Whether you're new to the outdoors or a seasoned explorer, we'll take the time to understand your needs and help you find the right gear for you.

10% annual member refund

Anyone can shop at REI, but for a one-time $20 fee you can become an REI member and enjoy a lifetime of benefits. These include an annual member refund, typically 10% back on eligible purchases.*




*10% is typical but not guaranteed. Your refund is based on eligible purchases, which exclude REI gift cards, services, fees, REI Adventures trips,, and discounted items. Learn more