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Mophie Juice Pack Air Review


If you are like us, you love your iPhone. But as with any electronic gadget, the biggest annoyance is the battery life. With average use you probably don’t get more than a day out of your iPhone, and generally that can be fine, since your day is over and you can let charge while you sleep.

But what about those days when you are surfing the net for hours, playing your favorite app or watching movies on the plane? You never seem to have enough battery. Then you have to worry about finding a place to charge your iPhone… what a hassle! I can’t count how many times I’ve found  myself scrambling for an AC outlet so that I could recharge my iPhone. Wouldn’t it be great if your battery could last longer? That is where Mophie comes to the rescue!

There are a number of rechargeable batteries available, but none as sleek as the new Mophie Juice Pack Air.

Here are the specs that it promises for the iPhone 3G S

  • Standby Time: Up to 270 hours
  • Talk Time: Up to 4.5 hours on 3G | Up to 10 hours on 2G
  • Internet Use: Up to 4.5 hours on 3G | Up to 8 hours on Wi-Fi
  • Audio Playback: Up to 27 hours
  • Video Playback: Up to 9 hours
  • Standby Time: Up to 270 hours
  • Talk Time: Up to 4.5 hours on 3G | Up to 9 hours on 2G
  • Internet Use: Up to 4.5 hours on 3G | Up to 5.4 hours on Wi-Fi
  • Audio Playback: Up to 20 hours
  • Video Playback: Up to 6 hours

We used the “Mophie Juice Pack Air” with a new iPhone 3G S. Out of the box it looks and feels good, a good complement to the sleekness of the iPhone itself. Like other “shell” cases, it was a tight fit getting it in (or out), but the case is sturdy. And even though it adds some thickness, it still feels good in your hand.

A nice feature is the 4 LEDs on the back that give you an indication of remaining battery life. No guessing how much has been used so far. And also the ability to “turn off” the battery in order save it for later use. As you would expect you can sync while charging without having to remove the iPhone from the case and BOTH the “Mophie” and the iPhone charge simultaneously.

We did have a problem with the charging/syncing at first. When we opened a case with “Mophie” about the problem, they promptly sent out a new cable. Problem solved! Everything then worked as expected. 5 Stars for Mophie Support.

So it’s pretty, but how is the battery life? Here’s what we got out of it:

  • 10 AM taken off charge and only working off of iPhone battery. Wi-Fi was inactive the entire time
    • 45 minutes of GPS use
    • 1.5 hours of voice
    • 1 hours of video
    • 30 minutes of music
    • 30 minutes of internet access
    • 30 minutes of email
    • 7 hours of Bluetooth connection (1.5 hours of the voice used above)

3G was always enabled (though not always active)

  • Died at 8:25 pm – “Mophie” started charging iPhone
  • At 8:29 pm the phone comes back online with the 10% battery warning
  • Battery continues to charge (currently not in use)
  • By 10:30 pm the iPhone is no longer charging and iPhone shows half a battery bar, while the “Mophie” shows two LEDs on the indicator
    • 11:10 pm switched to airplane mode and enabled alarm

    The Next Day:

    • 7:45 am switch off airplane mode and enabled Bluetooth
      • Battery seems to be at the same point as it was last night, back of “Mophie” shows two
      • Minimum of email and internet usage for the rest of the day, at this
        point the iPhone is running off its own battery
    • At the end of the day both units are charged up.

    Did we get “twice” the amount of battery life? Not quite. It seems that it was at least 150% of normal battery life. There are many variables such as Wi-Fi, Bluetooth and the 3G transmissions which vary greatly. And it may be that in some situations you could get closer to 200% of normal battery life. Overall though, we were very satisfied.

    In conclusion we would definitely use the juice pack when watching movies on a plane and for traveling. But we’re not sure that we’d want the extra bulk (minimal as it is) for everyday use. However, if you are in need of more life out of your iPhone each day, the “Mophie Juice Pack Air” is the ONLY choice as far as we’re concerned. The Mophie Juice Pack Air retails for $80 at Mophie.com and Amazon.

    The good: Good look and feel, best option for a rechargeable battery yet!
    The bad: Price is a bit steep